Which mathematician was the father of physicist Nikolai Borisovich Delone: Jakow Trachtenberg or Boris Delaunay?
Boris Delaunay Boris Nikolaevich Delaunay or Delone (Russian: Бори́с Никола́евич Делоне́ ; March 15, 1890 – July 17, 1980) was one of the first Russian mountain climbers and a Soviet/Russian mathematician, and the father of physicist Nikolai Borisovich Delone.
Boris Demidovich Boris Pavlovich Demidovich (Russian: Борис Павлович Демидович ; Belarusian: Барыс Паўлавіч Дземідовіч ; Novogrudok, March 2, 1906 – Moscow, April 23, 1977) was a Soviet/Belorussian mathematician.