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.