John Jacob Abel the position of chair of the department until he retired at the age of 75 in 1932. Ever since his early years in Europe, Abel showed great interest in isolating pure form of internal gland hormones. The first work that led to his international reputation as a pharmacologist and biochemist was the isolation of epinephrine from adrenal medulla. However, he was only able to isolate a monobenzoyl derivative of epinephrine. While he was improving his processes on decomposing the benzoyl derivative to obtain salts of epinephrine using saponification, a Japanese chemist J. Takamine, who had visited his lab, was able
Abel Grimmer Abel Grimmer Abel Grimmer (family name variations: 'Grimer' and 'Grimmaert') (c. 1570–c. 1620) was a Flemish late Renaissance painter, mainly of landscapes and, to a lesser extent, of architectural paintings. His works were important in the development towards more naturalism in Flemish landscape painting. Grimmer was born and died in Antwerp. He learned to paint from his father, the landscape painter Jacob Grimmer. His father Jacob Grimmer had established a name for himself by imitating the work of Pieter Bruegel the Elder on small panel pictures and selling these on the market at low prices. Abel Grimmer married Catharina Lescornet