Boris Levitan (7 June 1914 – 4 April 2004) was a mathematician who worked on almost periodic functions, Sturm–Liouville operators and inverse scattering.
[1] Levitan was born in Berdyansk (southeastern Ukraine), and grew up in Kharkiv.
In 1938, he submitted his PhD thesis "Some Generalization of Almost Periodic Function" under the supervision of Naum Akhiezer.
[2] He then defended the habilitation thesis "Theory of Generalized Translation Operators".
Levitan was drafted into the army at the beginning of World War II in 1941, and served until 1944.