Ferdinand Tiemann (1848-1899)

German chemist, born in Rübeland (Harz). He studied pharmacy in Brunswick and in 1869 became assistant to August Wilhelm von Hofmann in Berlin; Hofmann later married his sister.

With Wilhelm Haarmann he synthesized vanillin and started its industrial production in Holzminden. The reaction discovered by Reimer provided a cheaper route to vanillin from guaiacol.

He was a professor at the University of Berlin from 1882 and editor of the Berichte der Deutschen Chemischen Gesellschaft. He took part in the first synthesis of ionone, the scent of violets, and also gave his name to the Tiemann rearrangement. He died in Merano in 1899.