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.
Albert Schwarz Albert Solomonovich Schwarz (Russian: А. С. Шварц ; born June 24, 1934 in Kazan, Soviet Union) is a mathematician and a theoretical physicist educated in the Soviet Union and now a professor at the University of California, Davis.