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.
Pierre Delaunay Pierre Delauney (born 9 October 1919) was the second General Secretary of UEFA. He succeeded his father Henri Delaunay in the post, on an interim basis from his father's death on 9 November 1955 and then officially from 8 June 1956.