Antoine-Laurent de Lavoisier, also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology. August 26, 1743 – May 8, 1794; died at 50. Alive at the same time as Napoleon, Johann Wolfgang von Goethe, Ludwig van Beethoven, Immanuel Kant, and George Washington. Wiki link