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 J. Jacob (Kentucky) granddaughter of Cdre. Richard Taylor and distant cousin of Capt. (later president) Zachary Taylor. She bore eight children before dying in 1842. Children: John J. Jacob (Kentucky) John Jeremiah Jacob (October 20, 1778 – 1852) was an American businessman, financier, real estate developer, and philanthropist active in Kentucky. He was involved in banking, as well as in commerce, real estate and infrastructure: railroads, canal, bridge, and utilities. John J. Jacob was born in Baltimore, Maryland. As a young man he met Thomas Prather in Philadelphia, and became inspired by his talk of the frontier. He left with him for Kentucky