  An opinion piece by Abigail Thompson in the Notices of the American
Mathematical Society has engendered a lot of discussion, including three open
letters with over 1400 signatures. We analyze the professional profiles of
signatories of these three letters, and, in particular, their citation records.
We find that when restricting to R1 math professors, the means of their
citations and citations per year are ordered $\mu(A) < \mu(B) < \mu(C)$. The
significance of these findings are validated using a one-sided permutation
test.
