Hermann Emil Louis Fischer was a German chemist and 1902 recipient of the Nobel Prize in Chemistry. He discovered the Fischer esterification. He also developed the Fischer projection, a symbolic way of drawing asymmetric carbon atoms. He also hypothesized the lock and key mechanism of enzyme action. He never used his first given name, and was known throughout his life simply as Emil Fischer. The Nobel Prize in Chemistry 1902, announced November 11, 1902. Emil Fischer, “in recognition of the extraordinary services he has rendered by his work on sugar and purine syntheses”. Emil Fischer: born 1852, Euskirchen, Prussia (now Germany). Wiki link Data: the Nobel Foundation (CC0).