Yakov Davydovich Tamarkin

Born: 28 June 1888 in Chernigov, Ukraine
Died: 18 Nov 1945 in Washington, USA

N.S.Ermolaeva. In the USA, Tamarkin was called J.D. (in Russian)
Biography by J. J. O'Connor and E. F. Robertson

http://www-history.mcs.st-and.ac.uk/Biographies/Tamarkin.html