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.
Nikolai Chernykh Nikolai Stepanovich Chernykh (Russian: Николай Степанович Черных ) (6 October 1931 – 26 May 2004) was a Russian-born Soviet astronomer and discoverer of minor planets and comets at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula.