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 Herzberg Abel Herzberg Abel Jacob Herzberg (17 September 1893 – 19 May 1989) was a Dutch Jewish lawyer and writer, whose parents were Russian Jews who had come to the Netherlands from Lithuania. Herzberg was trained as a lawyer and began a legal practice in Amsterdam, and became known as a legal scholar also. He was a Zionist from an early age, and around the time of the outbreak of World War II he attempted to emigrate with his family to Palestine. During the war he remained active in Jewish organizations until he was interned, with his wife, in Bergen-Belsen concentration