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
John Jacob Abel Abel near Cleveland, Ohio. He earned his Ph.B. (Bachelor of Philosophy) from the University of Michigan where he studied with Henry Sewall in 1883. But, during this time he took several years off to serve as a principal of the high school in La Porte, Indiana. There he taught many subjects ranging from chemistry and physics to Latin. He then went to Johns Hopkins University, where he studied under Henry Newell Martin, a cardiac physiologist and professor of biology. He then left for Europe, starting in Leipzig studying medical sciences, then traveling to Strasbourg where he was about to receive