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
Mary Abel Mary Abel Mary Abel (1850–1938) is known for her work in home economics and nutrition which mainly revolved around the publication of pamphlets and her book, "Successful Family Life on the Moderate Income". Up until Mary Abel's marriage to John J. Abel in 1883, little is known of Abel's early life. Abel moved to Europe with her husband after his postgraduate year at Johns Hopkins University. In 1891, Mary and John returned to the United States where Mary began her work in home economics and nutrition. Abel initially moved to the midwest but relocated to Baltimore in 1893. She and