births
Hanna Neumann, German-Canadian mathematician (died 1971)
Related Wikipedia articles
Hanna Neumann
German-born mathematician (1914–1971)
Johanna (Hanna) Neumann was a German-born mathematician who worked on group theory.Source: Wikipedia (CC BY-SA)
February 12
Day of the year
February 12 is the 43rd day of the year in the Gregorian calendar; 322 days remain until the end of the year.Source: Wikipedia (CC BY-SA)