Boris Delaunay
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Boris Nikolayevich Delaunay or Delone was a Soviet and Russian mathematician, mountain climber, and the father of physicist, Nikolai Borisovich Delone. He is best known for the Delaunay triangulation.
Delone cropped 1924
Bernard René Jourdan, marquis de Launay was a French Royal Army officer who served as the governor of the Bastille. He was the son of a previous governor, and commander of the Bastille's garrison when
Boris Delaunay
…ancestor French Army officer de Launay, who was captured in Russia during Napoleon's invasion of 1812. De Launay was a nephew of the Bastille governor marquis de Launay. He married a woman from the noble Tukhachevsky family and stayed in Russia. When Boris was a young boy his family spent summers in the Alps where he…
Presumed portrait of de Launay
Anonymous painting of the storming of the Bastille. De Launay is shown on the right being led away from the building by pro-revolutionary soldiers.
1789 engraving of the beheaded Mayor of Paris Flesselles and de Launay. The caption reads "This is how we get revenge on traitors".