The following mathematicians are too well-known or too famous to get a bio. I want you to learn about mathematicians you DON'T know about, not research ones you know!
Albert Einstein
Isaac Newton
Leonardo Pisano Bigollo (Fibonnaci)
Thales
Pythagoras
Rene Descartes
Archimedes
John Forbes Nash
Blaise Paschal
Euclid
Karl Friedrich Gauss
Leonhard Euler
Ptolemy
Eratosthenes
Pierre de Fermat
John Napier
Gottfried Wilhelm Leibniz
David Hilbert
Andrew Wiles
Daniel Bernoulli
The following mathematicians might be popular/well-known, but ARE allowed because they aren't talked about enough!
Aryabhata
Alan Turing
Srinivasa Ramanujan
Ada Lovelace
Katherine Johnson
Maria Agnesi
Find a mathematician on one of the websites below. Check to make sure they are not one of the "no's" above. Then do some internet research!
Famous Mathematicians - you can sort by first or last name or Nationality
The Mathematician Project - dedicated to celebrating diversity in mathematics - this is a spreadsheet that you can sort by identified gender or ethnicity
The above Google Sheet came from The Mathematician Project website, which has other lists of resources!
List of Mathematicians - Wikipedia - Links to lists of mathematicians by nationality, ethnicity, or religion
Mathematicians of the African Diaspora - Listings and brief descriptions of African-American Mathematicians
Mathematically Gifted and Black: https://mathematicallygiftedandblack.com/
Black Women Rock Math - a collection of hidden voices in math education
A Timeline of Mathematics - This beautiful interactive website will allow you to search a mathematician based on era. Be careful - there are other important events and subjects for mathematics listed here, so make sure you use it to choose a person, not a subject or object.
Scientist Spotlights https://scientistspotlights.org/
SACNAS Biography Project https://www.sacnas.org/sacnas-biography-project/
LatinX Mathematicians: https://www.lathisms.org/calendars/calendars