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,
Elijah Abel and to the building of LDS temples. He died in 1884, shortly after serving a final mission to Cincinnati, Ohio. Abel was born in Maryland on July 25 to Delila Williams and Andrew Abel. It is unclear what year he was born. Some sources put the year at 1808, others at 1810. Abel's mother was a slave from South Carolina, and his family later moved to Canada, possibly by way of the underground railroad. He was baptized into the church in September 1832 by Ezekiel Roberts. Soon after, Abel moved to Kirtland, Ohio to live with the main body of