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.
Leonid Pasternak Leonid Osipovich Pasternak (born "Yitzhok-Leib", or "Isaak Iosifovich, Pasternak"; Russian: Леони́д О́сипович Пастерна́к , 3 April 1862 N.S. – 31 May 1945) was a Russian post-impressionist painter. He was the father of the poet and novelist Boris Pasternak.