Quote of the day
That liberty is a great thing we may know from our own feelings, and we may likewise judge so from the conduct of the white-people, in the late war.
Sofia Kovalevskaya
Born: January 15, 1850
Died: February 10, 1891 (aged 41)
Bio: Sofia Vasilyevna Kovalevskaya, born Sofia Vasilyevna Korvin-Krukovskaya, was a Russian mathematician who made noteworthy contributions to analysis, partial differential equations and mechanics.