Fritz Zwicky

Swiss astronomer who posited dark matter (1898–1974).

Born February 14th, 1898 in Varna.

Died February 8th, 1974 at 75 years old in Pasadena.

Occupations
astronomer, astrophysicist, physicist, university teacher
Wikipedia
Fritz_Zwicky

Though death be poor, it ends a mortal woe. William Shakespeare