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
S. John Jacob S. John Jacob S. John Jacob (born 19 May 1953) is an Indian politician and was a Member of the Legislative Assembly (MLA) in Tamil Nadu. Jacob was born on 19 May 1953 in Paduvoor and died on 13 Feb 2018. He is married and has two children. Jacob was elected to the Tamil Nadu Legislative Assembly as an Indian National Congress (INC) candidate from Killiyur constituency in Kanyakumari district in the 2006 election. He was one of 14 MLAs who had a 100 per cent attendance record in the 13th Tamil Nadu Legislative Assembly. Jacob was re-elected from Killiyur