David Massey, a full professor of mathematics at Northeastern University and the founder of the Worldwide
Center of Mathematics, sat down with our math intern Tori for an interview this
week. He is the first in hopefully a string of mathematicians who will be
interviewed for this new blog series.
Are you currently
involved in any research?
Yes - I study abstract notions of space in any number of
dimensions. I prove things about what those spaces look like at places where
they’re not smooth [singularities].
How do you picture
those?
You don’t really. You picture what happens in low dimensions
and hope that it gives you intuition for the higher dimensions. You can’t
picture the higher dimensions, so you prove theorems that describe them. I’m
interested in singularities because they’re a great blend of topology,
commutative algebra, algebraic geometry… a lot of stuff.
When did you first
become interested in math? Was there a specific moment when you knew you wanted
to pursue this field?
I had two terrible math teachers in high school. There was my geometry teacher, and then my algebra II teacher was even worse. I was actually thinking about being a lawyer. I was always doing math though; I proved my first theorem while working on a computer program in 10th grade. I finally fell in love with math in 11th grade. My Pre-Cal teacher was very good. His name was Mr. Smith, he had just received his master’s degree, and he was just very excited about teaching math.
I had two terrible math teachers in high school. There was my geometry teacher, and then my algebra II teacher was even worse. I was actually thinking about being a lawyer. I was always doing math though; I proved my first theorem while working on a computer program in 10th grade. I finally fell in love with math in 11th grade. My Pre-Cal teacher was very good. His name was Mr. Smith, he had just received his master’s degree, and he was just very excited about teaching math.
Do you credit anyone
in particular for guiding you to a career in math?
My father tripled majored in math, physics, and astronomy in
college. He didn’t do anything with that though; he went into the family
business. But he was always very excited and supportive of my pursuit of
abstract mathematics.
Have you experienced
any roadblocks in becoming a mathematician?
Not of the kind that I think you mean. In a sense, math IS
roadblocks. You don’t know if the things you’re trying to prove are true. Maybe
you find out that what you suspected is false or maybe you just never know one
way or the other. If you think of problems as roadblocks, you shouldn’t go into
math. You need to enjoy the puzzles.
What was your
favorite math class?
If you could attend a
class taught by any mathematician or math professor, living or deceased, whose
class would it be?
Riemann. Newton or Archimedes of course would be cool, but their
mathematics was part of the early foundations of mathematics. Somehow I think
that Gauss was a bad teacher – I’m not sure why I think that. However, Riemann had
amazing ideas, which only Gauss fully appreciated at the time, and I’ve gotten
an impression that Riemann was a good teacher.
What would you want
him to teach?
Anything.
Do you have a
favorite proof?
Because it’s just so simple, and yet so cool, the proof that
the square root of 2 is irrational. A trivial proof by today’s standards, but still
so cool.
Any general advice
for undergrads or students looking to go into math?
Many undergrads end up majoring in engineering because there
aren’t many jobs outside of academia entitled “mathematician”. But most
importantly, don’t go for a Ph.D. in mathematics unless you love math. You have to be someone that
thinks about proofs all the time, you have to think about them in the shower,
you have to dream about math, and wake up thinking about math. You have to
think it’s fun. If you don’t find it fun, you’re going to be miserable.
Newton or Leibnitz?
I don’t think there’s any question that Newton developed
Calculus first. Leibnitz’s notation is superior. Calculus wouldn’t be as
popular today without Leibnitz. Newton is known as a great mathematician and
physicist, but Leibnitz is known as a co-inventor of Calculus plus being an
intellectual in many areas outside of mathematics.
As a more personal
question that obviously won’t be a part of future interviews, why did you start
the Worldwide Center of Math?
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