Marie Alfred Cornu

Marie Alfred Cornu ( born March 6, 1841 in Orléans, † April 12, 1902 in Romorantin -Lanthenay ) was a French physicist.

Life

Cornu studied at the École Polytechnique and the École des Mines. In 1867 he became professor of experimental physics at the École Polytechnique. 1878, the Rumford Medal of the Royal Society awarded him. In the same year he was appointed a member of the French Academy of Sciences and elected its president in 1896.

Scientific achievements

Cornu and improved repeated measurements to determine the gravitational constant and the velocity of light ( with the Fizeau method).

Cornu also has a certain importance in the study of the ozone layer, as he discovered in 1878 that broke the solar spectrum below 300 nm.

According to him the Cornu spiral is named (also called clothoid ).

  • Physicist (19th Century )
  • Member of the Accademia dei Lincei
  • Member of the Royal Swedish Academy of Sciences
  • Foreign Member of the Royal Society
  • Person ( Orléans )
  • Frenchman
  • Born in 1841
  • Died in 1902
  • Man
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