Kekulé von Stradonitz

( Friedrich ) August (ˈoɡyst). 1829–96, German chemist. His elucidation of the concepts of valence and single, double, and triple bonds enabled him to suggest the structure of many molecules, notably benzene ( Kekulé structure )

German chemist who was a founder of organic chemistry. His discovery of the structure of benzene, a basic unit of organic chemistry, was fundamental to understanding many other organic compounds.