Auguste Georges Darzens (July 12, 1867 in Moscow, Russia - September 10, 1954)[1] was an organic chemist who studied at the École Polytechnique in Paris, France, under Louis Edouard Grimaux and stayed there as a professor.[2] In 1904 he discovered the Darzens reaction, a chemical reaction also known as the Darzens condensation and Darzens glycidic ester condensation.[3] Other reactions named after him include the Darzens tetralin synthesis and the Darzens synthesis of unsaturated ketones.