Academia

The Purpose of Harvard is Not to Educate People

300px-john_harvard_statue_at_harvard_university.JPG Harvard University’s endowment is $35 billion, and some people aren’t happy about it. Massachusetts legislators see money that could be theirs, and are contemplating new taxes. Social activists see money that could be going to charity, and want to divert it. Distinguished alumni who have landed at public universities wonder why, with all that cash, Harvard graduates such a tiny number of students.

These are all legitimate concerns, and I won’t be suggesting the ideal policy compromise. But there is one misimpression that people seem to have, that might as well be corrected before any hasty actions are taken: the purpose of Harvard is not to educate students. If anything, its primary purpose is to produce research and scholarly work. Nobody should be surprised that the gigantic endowment isn’t put to use in providing top-flight educational experiences for a much larger pool of students; it could be, for sure, but that’s not the goal. The endowment is there to help build new facilities, launch new research initiatives, and attract the best faculty. If it weren’t for the fact that it’s hard to get alumni donations when you don’t have any alumni, serious consideration would doubtless be given to cutting out students entirely. Sure, some would complain that they enjoy teaching, that it keeps them fresh, or that students can be useful as research assistants. But those are reasons why the students are useful to the faculty; they are not assertions that the purpose of the institution is to educate students for their own sakes.

Don’t believe me? Here is the test: when was the last time Harvard made a senior tenure offer to someone because they were a world-class educator, rather than a world-class researcher? Not only is the answer “never,” the question itself is somewhat laughable.

This is not a value judgment, nor is it a particular complaint about Harvard. It’s true of any top-ranked private research university, including Caltech. (Note that Caltech has over 1200 faculty members and fewer than 900 undergraduate students.) And it is not a statement about universities in general; many large public universities, and smaller liberal-arts schools, take education very seriously as a primary mission. This is by no means incompatible with being a top-notch research institution — the physics departments at places like Berkeley or UC Santa Barbara would be the envy of almost any private research university. But those places also take their educational mission very seriously, which Harvard, honestly, does not.

Of course, certain individual faculty members at Harvard might be great teachers and care deeply about their students; but that’s a bonus, not a feature of the institution. (Harvey Mansfield, to a visiting colleague: “You should close your door. If you don’t, undergraduates may wander in.”)

None of this is necessarily good or bad; it’s just a recognition of the state of affairs. Harvard et al. judge themselves by the research and scholarship they produce. Students will always keep applying to those places and trying to get in, because the aura of intellectual attainment produced by precisely those scholarly accomplishments will always act as a powerful draw. Such students are by no means making a mistake; the intellectual atmosphere at such places truly is intoxicating, and if nothing else the interaction with your fellow talented students can be a life-changing experience. But to try your best to get into Harvard and then complain once you are there that the professors seem interested in their own work rather than in teaching is to utterly miss the point. And to complain that Harvard has a giant endowment that it chooses to use for purposes other than educating more students is equally misguided.

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Public Intellectuals

Via Eric Rauchway (of The Edge of the American West, but guest-blogging at Crooked Timber), here is a list of the Top 100 Public Intellectuals, as put together by Foreign Policy and Prospect magazines. (You can vote for your top five.) Here are the natural scientists they’ve chosen to include:

Bjørn Lomborg is also on the list, but I don’t count him as a natural scientist — Sunita Narain is also a close call, but seems to fall more on the activism side than pure environmental science. Noam Chomsky and Steven Pinker would also be there if you classified linguistics as a natural science. I also didn’t include economists, who are certainly social scientists in my classification. And V.S. Ramachandran I counted as more of a psychologist. This is a thankless task.

Note that the list is concerned with public intellectuals — people who have influenced the wide-ranging public discussion in some substantial way — so there’s no point in wondering why Lee Smolin is there but not Ed Witten. You are, however, allowed to wonder why there aren’t more physicists over all, and whether physicists should be blaming themselves or shaking impotent fists of rage at the selection committee. Either way, those biologists are kicking our butts.

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On Choosing a Graduate School: A Dialogue

A: Hey, what’s up? You’re looking a little anxious these days.

B: I know. We’re getting close to the romance deadline.

A: The romance deadline?

B: Yeah, in a couple of days I have to decide who I’ll be going out with for the next five years or so.

A: Oh, right, I forgot. Have you decided between boyfriend and girlfriend?

B: I’ve thought about it a lot, and I definitely want a girlfriend.

A: That’s cool. But don’t you worry that the standards are higher if you say you want a girlfriend? I’ve heard that boyfriends are much easier.

B: I heard that, too. But girls are what I’m really passionate about.

A: Couldn’t you just get a boyfriend first, and then switch if you don’t like it?

B: Some people try that, but it can be awkward. Better to just be honest about your intentions from the start.

A: Fair enough. So did you get any acceptances?

B: Yeah, two different women have agreed to date me. Cindy and Alyssa. But I have to choose one.

A: Hey, that’s great that you go two offers. Have you made a choice yet?

B: Well, I had coffee with Alyssa, and we really hit it off — she’s beautiful, and charming, and laughed at my jokes. I definitely think we would get along well over the next few years. I met Cindy, too; she’s a knockout, and clearly very talented, but there wasn’t as much of a spark there.

A: That can happen. So are you going to choose Alyssa?

B: I’m tempted, but the thing is — Cindy’s US News ranking is much higher.

A: Her what?

B: Every year, US News puts out rankings of boyfriends and girlfriends. Now, Alyssa is a solid top-20 girlfriend, but Cindy is top five! I’m really worried I’d be making a mistake by passing up the opportunity to go out with Cindy. Everyone has heard of her.

A: That sounds a little weird to me. How do they come up with these rankings?

B: Nobody knows, really. But everyone takes them very seriously. Still, I keep hoping that the NRC will update their boyfriend/girlfriend rankings soon. Those are supposed to be much more scientific.

A: NRC?

B: The National Romance Council.

A: But look, you seem to have really hit it off with Alyssa. Who cares that US News ranks Cindy higher? The concept of a “boyfriend/girlfriend ranking” just doesn’t make sense — what matters is how well you personally get along with them, not some pseudo-objective measure of excellence.

B: It’s easy to say that, but this is a big decision. I’m really worried that, ten years from now when I’m ready to get married, my prospective spouse is not going to be nearly as impressed that I went out with Alyssa than if I had gone out with Cindy.

A: Come on, it’s five years of your life that we’re talking about here. Your chances of eventually being happily married would seem to be a lot better if you choose someone you’re likely to be happy with right now.

B: You’re right, I know. Well, I hope Cindy won’t be disappointed. I don’t think she’s used to being turned down.

A: Don’t worry. I’m pretty sure she’ll get over it.

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The Truth, Respectfully

So you’re listening to a talk, and the speaker introduces a crucial step which you know — or perhaps only suspect — to be completely incorrect. What do you do? Do you raise your hand and point out the mistake? Or file it away momentarily, planning to ask them about it in private afterwards?

And does your answer change if the speaker is a senior scientist who will some day be writing you a letter of recommendation? What if it’s a fellow graduate student giving their first-ever technical seminar, and you know them to be intimidated by all these smart people in the room?

A Lady Scientist and PhysioProf have been talking about these issues. The former wonders whether there shouldn’t be some solidarity among grad students not to make each other look bad during journal club presentations, while the latter says that good perceptive critical questions are always in order.

My own attitude is pretty straightforward, and close to PP’s: it’s never impolite or out of order to ask appropriately probing questions about the material being presented at a scientific talk, regardless of the status of the speaker or the audience. It’s science, and we’re all on the same side; it doesn’t do anyone any favors to hide the truth in order to save someone’s feelings. Science is bigger than any of us, no matter how young and inexperienced or old and respected (feared) we may be. Not only should listeners feel free to ask any reasonable question of the speaker, but speakers should be honest enough to admit when they have said something that might be incorrect, rather than twisting around to find justifications for a slip-up. We’ve all made them; or at least I have.

To the extent that there is any sort of competition going on, it should not be “speaker vs. audience,” but rather “all of us vs. the natural world.” However, having staked out that absolutist position, it’s extremely important to recognize that we live in the real world. For one thing, many audience members tend to blur the distinction between “asking a good question” and “being an asshole.” There are people out there, one must admit, who tend to view seminar questions as a venue for them to demonstrate how smart they are, rather than learning about the subject matter in an open and collegial environment. There’s no excuse for that, and the guilty parties deserve to be smacked around, if only symbolically. Still, it’s no reason for the rest of us to equate hard questions with egotistical puffery, nor to soft-pedal questions that really are sincere. The biggest benefit of a talk, from the viewpoint of the speaker, would be to actually learn something from the questions and comments offered by the audience.

The other complication is that there is a competition going on, whether we like it or not. I personally don’t like it, and would vastly prefer to live in a utopia of unlimited resources where such competitions were unnecessary. But in the real world, there is a limited collection of goods — jobs especially, but other rewards of the profession — and a large number of people competing for them. And that competition never turns off. Academics are always judging each other, inevitably, and will use those judgments when it comes time to recommend or hire or give prizes to each other. So a real seminar is not simply a value-neutral examination of the facts; it’s a social milieu, in which interactions have real consequences.

Which is not to say that we should ever shy away from asking hard questions. But there are different ways to ask hard questions, and there’s nothing wrong with choosing the tone in which such questions are asked to match the occasion. Graduate students giving their first seminars need to learn that they will get asked tough questions, and that it’s okay — it’s not a devastating critique of their worthiness as scientists, it’s simply part of the process to which we are all ultimately subject.

A common technique to help students ease into the responsibility of giving talks is to have students-only seminars where the faculty are not permitted. The motivation for such things is admirable, but ultimately I don’t think they are a good idea. (As a disgruntled senior colleague once said, “Sometimes I learn something from listening to the students.”) Breaking down the barriers between “faculty” and “students,” and beginning to think of everyone as “researchers” and “colleagues,” should be an important goal of graduate school. It can all be intimidating at first, but it’s ultimately beneficial to learn to treat these artificial hierarchies as administrative annoyances, not natural categories.

The most successful graduate students are the ones that start thinking of themselves as colleagues right away. Go to the seminars, sit in the front, ask good questions, participate in the informal discussions afterward. It’s a big universe out there, and we’re all struggling to understand it, and working together is our only hope.

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Nationalize Public Schools

One of the most bizarre aspects of the United States is how we organize public education at the elementary and secondary levels. For mysterious historical reasons, we leave all of the important decisions — from curriculum and testing to financing and bus routes — in the hands of local school boards. 130,000 of them, all told. The result, predictably enough, is screaming chaos. Not only do we have haphazard ideas about what to teach and how to judge how well it’s been taught, but the dispersal of resources makes economies of scale impossible, so we don’t put anything like the appropriate amount of effort into developing new techniques and training our teachers.

And it shows. Matt Miller has written a compelling article in The Atlantic, documenting how our screwy system — unique, apparently, in the developed world — has utterly failed to give our children the educations they deserve.

The United States spends more than nearly every other nation on schools, but out of 29 developed countries in a 2003 assessment, we ranked 24th in math and in problem-solving, 18th in science, and 15th in reading. Half of all black and Latino students in the U.S. don’t graduate on time (or ever) from high school. As of 2005, about 70 percent of eighth-graders were not proficient in reading. By the end of eighth grade, what passes for a math curriculum in America is two years behind that of other countries.

This dismal failure might at least be explicable if it served some misguided egalitarian impulse, but it doesn’t. This map, from Miller’s article, shows the spending per pupil on a county-by-county basis; the poorest counties spend less than $7,500 per student, while the rich ones are over $17,500. (Click for larger version.)

US school district spending

Is there any theory behind the idea that students should getter significantly better or worse educations based on the county in which they are born? This isn’t an issue of private vs. public; it’s a public service, paid for by taxes, just like Medicare or national defense. But we finance public education by combination of state and local revenues, rather than through the national government.

Faced with such a patently misguided system, the most common calls for reform involve the imposition of some sort of national standards, such as those featured in the No Child Left Behind Act that has lately been foisted on our schools. In principle, national standards are a great idea; in a sensible system, however, they be the last of a series of necessary reforms. It’s like a team that hires a new football coach, who addresses the team on the first day of practice by saying “Here’s the system: we’re going to win all of our games!” Without an actual playbook, appropriate equipment, and some strategy, exhortations to do better aren’t going to achieve any tangible results.

It’s obvious what is needed: a basic national curriculum that is shared by all schools, with a set of requirements that leave room for creativity and innovation by individual districts within the overall framework. (There is no reason why American math classes should be two grade levels behind European math classes.) Plus, crucially, an overhaul of the financing system so that resources are distributed fairly. Those are just the minimal reforms that every sensible person should be able to agree on; after those are implemented, we can return to our regularly scheduled debates about school choice and bilingual education. Apparently the problem is that conservatives hate “national” and liberals hate “standards,” and both are afraid of the teachers’ unions. So we should all be able to compromise and do the right thing! As Miller says, “We started down this road on schooling a long time ago. Time now to finish the journey.”

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Grad School Open Thread

Today is Grad School Recruitment Day at Caltech, from which I surmise that there must be dozens of readers of this blog who are currently puzzling over where they might want to spend the next years of their lives. And hundreds of readers who went through this puzzling at one point themselves, or will face it in the future. So, since “work” is preventing me from blogging very much, here is a place to share stories and questions; we’ve previously given advice, but you can never get too much. (Professors, did you know that these students are talking about you behind your back on the internet? A brave new world etc.)

My grad school story: I was an astronomy major at Villanova as an undergrad, but knew that I really wanted to do physics. Nobody in my department was really qualified to give advice about grad schools in theoretical high energy physics or cosmology, but there was a big book put out by the AIP that listed programs and the people working in each specialty; not sure if the book still exists, or whether it’s been replaced by a website. So I applied to five different places, all top-notch; got into three, waitlisted at one, and rejected at one. (I had a not-completely-unheard-of profile: small undergrad school, great letters, good but not perfect grades and GRE’s, vague and untutored desire to unify all of theoretical physics.) I wanted to stay on the East Coast for personal reasons (= “girlfriend”). Sadly, the school that rejected me (Princeton) and wait-listed me (Harvard) were the ones on the East Coast that I had applied to. So I visited Harvard myself to plead my case; to no avail, of course (I wouldn’t recommend doing this — it won’t work and can annoy people), but I was told that if I could get an outside fellowship they would accept me. And then I did get an outside fellowship, from the NSF; but Harvard still wouldn’t accept me. Apparently that was a bit of a tactic. So I called up the astronomy department and asked if they would let me in. They were a bit surprised that physics wouldn’t accept me, given that I was free, but happily took me on. Which explains why I have no degrees in physics, even though all of my subsequent employment has been in physics departments.

Did it matter that I went to an astronomy department rather than a physics department where my interests would have been a more natural fit? Absolutely — I hung out with people who chatted about redshifts in their spare time, not with people who chatted about Feynman diagrams, and that lack of immersion in a crucial subject has undoubtedly been a handicap. But I was generally in a good situation (you can’t really complain about being at Harvard), and I made the most of it — took many physics classes, spent time talking to professors, wrote papers with other students and mathematicians as well as my advisor, went to MIT and ended up collaborating with people there as well. If you go to someplace that is decent enough to offer opportunities, it will be up to you to take the initiative and make your time there a success.

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Bold

External review letters for tenure cases, like recommendation letters more generally, aren’t usually public, so who knows what juicy bits are in there that will never see the light of day? Here is a line from a letter which I promise is genuine:

[Prof. X] is too bold for [his/her] rank, and uses the first person pronoun too freely for a junior scholar.

Not a physicist, not anyone at Caltech or anywhere else I have been affiliated with, so don’t even try to guess. But I’d be tickled to get such a line. (The candidate received otherwise uniformly positive reviews, and was unanimously approved.)

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Signaling

Brad DeLong disentangles the messages that a (male) professor sends by wearing a tie. (Inspired by this sad little diatribe, properly mocked here.)

I have found that wearing a suit and tie is very effective if done occasionally with non-math-oriented students. It tells them that I care because it shows that I have taken sufficient time to prepare and teach the class even though I am a busy person whose schedule requires meetings with:

  • some powerful political figure,
  • some powerful economic figure,
  • some powerful university administrative figure, or
  • some TV interviewer

With math-oriented students, however, a tie tells them that I spend too little time thinking about isomorphisms

Cf. Focus. Professors were once students.

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Show the Love

410634aa0.jpgYesterday we went to see a chat with Alan Alda and KC Cole at USC’s Annenberg School for Communication, as advertised by Clifford here. Alda was apparently some kind of TV actor back in the day, but he is also quite the science aficionado — hosting Scientific American Frontiers on PBS, and originating the role of Richard Feynman in Peter Parnell’s play QED.

The most interesting story we heard was one that happened just the day before, when Alda and Cole visited with some students at USC’s engineering school. Apparently it was quite a day, beginning with short presentations by each of the students about the work they were doing. After the presentations, Alda led the students through a series of improvisation exercises from Viola Spolin’s classic workbook. After which, the students were asked to give their presentations again! Apparently (I have to take their word for it), the first time around the students were pretty darn good, but the second time they truly came to life.

Giving talks, or presenting ideas more generally, is one of the necessary skills of academic life that we usually presume one just picks up on street corners. The idea that, for example, college professors should learn how to teach classes would be an anathema to most actual college professors. But there is a lot of skill involved, and practice and learning can really make a difference. (The same would go for writing papers, or being an advisor, or a thousand other aspects of being a professor.)

My favorite part of the chat was Alda’s admonition to scientists to “Show the Love.” He was moved by the evident passion for their work exhibited by the students, but recognized that it didn’t always come through during scientific presentations. So here is some simple advice to young scientists giving talks: show the love! (Good advice to old scientists, too, but there’s no hope they would listen.) Let it be clear that you are absolutely fascinated by this work you are doing. You’re not in it for the money and fame, one presumes. Don’t look at a talk as a terrifying ordeal to be stoically survived; look at it as a chance to share some of your passion with other people who haven’t delved as deeply into the material as you have. I know we’re not supposed to use icky words like “love” in the rigorously austere corridors of professional physics, but this is a case where a little culture-changing wouldn’t hurt anybody.

And if you’re not all that passionate about what you’re doing — switch to doing something you really do love.

Update: Jennifer adds more words, plus an amusing cartoon, and an annoying poem.

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What Is Interesting?

Lurking behind the debate over the high energy physics budget is a meta question that rarely gets addressed head-on: in a world with many things that we would like to do, but limited resources to do them, how do we decide what questions are interesting enough to warrant our attention? This question arises at every level. If we have a certain number of dollars to spend on particle physics, how much should go to the high-energy frontier and how much to smaller-scale experiments? Within fundamental science, how much should go to physics and how much to biology or astronomy or whatever? And it’s not just money: within a university, how many faculty positions should go to historians, and how many to archaeologists? Within philosophy, how many logicians do we need, and how many ethicists? It’s not even an especially academic question: which book am I going to bring with me to read on the plane?

There are a number of issues that get tied up in such considerations. One is that certain activities simply require certain resources, so if we judge them sufficiently interesting to be pursued then we need to be prepared to devote the appropriate resources their way. A colleague of mine in condensed-matter physics was fond of complaining about all the great small-scale physics that his community could do if they only had half of Fermilab’s budget. Which is undoubtedly true, but with half of Fermilab’s budget you wouldn’t get half the science out of Fermilab — you wouldn’t get anything at all. If that kind of particle physics is worth doing at all (which is a completely fair question), there is an entry fee you can’t avoid paying.

But more deeply, the problem is that there is no intrinsic property of “interestingness” that we can compare across different academic questions. Questions are not interesting in and of themselves; they are interesting to somebody. If I happen to not be interested in the American Civil War, and a friend of mine thinks it’s fascinating, that doesn’t mean that one of us is “right” and the other “wrong”; it just means that we have different opinions about the interestingness of that particular subject. It’s precisely the same kind of personal decision that goes into preferences for different kinds of music or cuisine. The difference is that, unlike CD’s or appetizers, we don’t consume these goods individually; we need to make some collective decision about how to allocate our intellectual resources.

People pretend that there are objective criteria, of course. The standard battle lines within physics are drawn between research that is “fundamental” and research that is “useful.” I was once in the audience for a colloquium by Steven Weinberg, back in the days when we were still planning on the Superconducting Supercollider, and he was talking about why particle physics was worthy of substantial investment: “People sometimes object to the way we speak about particle physics, objecting that we give the impression that it’s more `fundamental’ than other fields. But I think it’s okay, because … well, it is more fundamental.” Contrariwise, I’ve heard condensed-matter physicists wonder with a straight face why anyone in the general public would be interested in books on string theory and cosmology. After all, those subjects have no impact at all on their everyday lives, so what is the possible interest?

In reality, there is no objective metaphysical standard to separate the interesting from the uninteresting. There are a bunch of human beings with different interests, and we have the social task of balancing them. A complication arises in the context of academia, where we don’t weigh everyone’s interests equally — there are experts whose opinions count for more than those on the streets. And that makes sense; even if I have no idea which directions in contemporary chemistry or French literature are interesting, I am more than willing to leave such questions in the hands of people who care deeply and have contributed to the fields.

The real problem, of course, is that sometimes we have to compare between fields, so that decisions have to be made by people who are almost certainly not experts in all of the competing interests. We have, for example, the danger of self-perpetuation, where a small cadre of experts in an esoteric area continue to insist on the importance of their work. That’s where it becomes crucial to be able to explain to outsiders why certain questions truly are interesting, even if the outsiders can’t appreciate all the details. In fundamental physics, we actually have a relatively easy time of it, our fondness for kvetching notwithstanding; it’s not too hard to appreciate the importance of concepts like “the laws of nature” and “the beginning of the universe,” even to people who don’t follow the math. Making a convincing request for a billion dollars is, of course, a different story.

Sadly, none of these high-minded considerations are really at work in the current budget debacle. High-energy physics seems to be caught in a pissing match between the political parties, each of whom wants to paint the other as irresponsible.

The White House and congressional leaders exchanged barbs Tuesday over who was to blame for the Fermilab impasse. Lawmakers said the Bush administration’s tight overall budget targets tied their hands, while a spokesman for Bush’s Office of Management and Budget said the Democratic leaders could have met the targets by cutting back on other discretionary elements of the budget.

Durbin said the $196 billion required for the wars in Iraq and Afghanistan left little room for budget maneuvering.

“We were left with stark choices: reduce funding for high-end physics or cut money for veterans; reduce spending at Fermilab or eliminate funding for rural hospitals,” Durbin said in a statement Tuesday.

Sean Kevelighan, a spokesman for the administration’s Office of Management and Budget, said Congress could have chosen instead to take more money from the $9.7 billion worth of earmarks designated for lawmakers’ projects.

“The choices were up to the Congress,” Kevelighan said.

As annoying as academia can be, politics is infinitely worse.

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