From the history of maths
Mary Somerville
Self-taught, she translated and expanded Laplace’s work on the motions of the planets (1831).
The word “scientist” was coined in a review of her 1834 book.
Thomas Phillips, Public domain, via Wikimedia Commons
Where you’ll meet Somerville here
CalculusHistory
They turn up beside problems and lessons on these topics.
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Leonhard Euler
In 1734 he solved the Basel problem: 1 + 1/4 + 1/9 + 1/16 + … = π²/6.
He went almost completely blind in 1771 and kept working, dictating to assistants. We owe him the notation f(x), e and i.
Jakob Emanuel Handmann, Public domain, via Wikimedia Commons