Yngve Domar, professor emeritus in mathematics at Uppsala University,
has written an essay about the mathematical research during the first decades of Stockholm University, available here.

The first female math professor

The first female professor of mathematics in history was Sonja Kovalevsky (1850-91), at Stockholm University.

Professor Jan-Erik Björk has written an essay about the life and literary works of Sonja Kovalevsky (pdf).

Mathematical Statistics and Insurance Mathematics

In 1929 the Institute of Insurance Mathematics and Mathematical Statistics was founded to benefit insurance mathematics in Sweden. The institute is now part of the Division of Mathematical Statistics. Its first research leader was professor Harald Cramér.

Professor Rolf Sundberg has written a History of the division of Mathematical Statistics.