John Jacob Abel to successfully isolate the neutral base of epinephrine by adding ammonium to highly concentrated extract, a method Abel himself tried but failed due to the use of low concentration of extract. After Takamine's success, Abel himself remarked, with great candor, "The efforts of years on my part in this once mysterious field of suprarenal, medullary biochemistry, marred by blunders as they were, eventuated, then, in the isolation of the hormone not in the form of the free base but in that of its monobenzoyl derivative." Together with L.G. Rowntree and B.B. Turner, Abel devised what they called a "vividiffusion" apparatus,
Abel Smith (1748–1779) Abel Smith (1748–1779) Abel Smith (29 June 1748 – 22 January 1779) was a British politician who sat briefly in the House of Commons from 1778 to 1779. Smith was the second son of Abel Smith, a Nottingham banker who, following his father, also called Abel, had continued developing the business into what was by the end of the century to become one of the biggest private banks in England. The first Abel Smith had contented himself with using some of his wealth to intervene in other people's elections. Abel the second eventually entered Parliament for a pocket borough in