Saly Ruth Ramler

Saly Ruth Ramler (1894–1993), also known as Saly Ruth Struik, was the first woman to receive a mathematics PhD from the German University in Prague, now known as Charles University.

Life and work
Her 1919 dissertation, on the axioms of affine geometry, was supervised by Gerhard Kowalewski and Georg Alexander Pick. She married the Dutch mathematician and historian of mathematics Dirk Jan Struik in 1923. Between 1924 and 1926, the pair traveled Europe and met many prominent mathematicians, using Dirk Struik's Rockefeller fellowship. In 1926, they emigrated to the United States, and Dirk Struik accepted a position at MIT.