Writing Homework Help

I’m trying to study for my Writing course and I need some help to understand this question.

Write a one-page or more biographical essay of a famous mathematician. He/she could also be an applied mathematician in physics. Some examples: Riemann, Euler, Newton, Leibniz, Einstein, Fourier, Heaviside, Gauss, Hilbert, Legendre, etc.   Please, cite your references.  A good resource could be: https://fabpedigree.com/james/greatmm.htm