Laplace, Pierre-Simon, marquis de
Laplace, Pierre-Simon, marquis de
Born:
March 23, 1749, Beaumount-en-Auge, Normandy, France
Died:
March 5, 1827, Paris (aged 77)

Pierre-Simon, marquis de Laplace (born March 23, 1749, Beaumount-en-Auge, Normandy, France—died March 5, 1827, Paris) was a French mathematician, astronomer, and physicist who was best known for his investigations into the stability of the solar system. Laplace successfully accounted for all the observed deviations of the planets from their theoretical orbits by applying Sir Isaac Newton’s theory of gravitation to the solar system, and he developed a conceptual view of evolutionary change in the structure of the solar system. He also demonstrated the usefulness of probability for interpreting scientific data. Laplace was the son of a peasant farmer. Little is ...(100 of 943 words)