Notes and Reflections on Books and Media
by Hannah Leitheiser
A short account of the history of mathematics
W. W. Rouse Ball
I think he was trying to make a funny.
Interesting, though, as you don't usually thing of there being much politics in calculus. The modern teaching that I've been exposed to alternates between Leibniz's dy/dx and Lagrange's prime notation, similar to the dot notation of Newton. Sometimes physics still uses dots for time variant functions, but it's fallen out in mathematics.