Boris Artzybasheff
Арцыбашев, Борис Михайлович
June 5, 1899 – July 16, 1965 (aged 66)
Birth place: Kharkov, Kharkov Governorate, Russian Empire
SFE3 supplies the date of birth as June 5, 1899 and claims the May 25 date stated at Wikipedia to be in old style (Julian date)