Alexander Friedmann

About

Mathematician and physicist remembered for his Friedmann equations, which sought to explain his theory of the universe's expansion.

Before Fame

After graduating from St. Petersburg State University, he fought for his native Russia in World War I.

Trivia

He died of typhoid fever at the age of thirty-seven.

Family Life

He was born in Saint Petersburg, Russia to a ballet dancer father (Alexander Friedmann) and a pianist mother (Ludmila Ignatievna Voyachek). He was married twice: to Ekaterina Dorofeyeva and, later, to Natalia Malinina.

Associated With

He and astronomer Georges Lemaitre both theorized that the universe was expanding.