Fritz John Scientist

Fritz John (14 June 1910 – 10 February 1994) was a German-born mathematician specialising in partial differential equations and ill-posed problems. His early work was on the Radon transform and he is remembered for John's equation.

Personal facts

Birth date	June 14, 1910
Birth place	Berlin , German Empire , Germany
Nationality	United States
Date of death	February 10, 1994
Place of death	United States , New York
Education	University of Göttingen
Known for	John's equation John ellipsoid