Fritz John
| Fritz John | |
|---|---|
| Born | 14 June 1910 | 
| Died | 10 February 1994 (aged 83) New York City, United States | 
| Nationality | American | 
| Alma mater | University of Göttingen | 
| Known for | John-Nirenberg Inequality John's equation John ellipsoid | 
| Awards | Birkhoff Prize (1973) Steele Prize (1982) | 
| Scientific career | |
| Fields | Mathematics | 
| Institutions | University of Kentucky Ballistic Research Laboratory New York University | 
| Doctoral students | Clifford Gardner Sergiu Klainerman | 
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. He was a 1984 MacArthur Fellow.