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,
John J. Jacob (West Virginia) office, he served once again in the West Virginia House of Delegates from Ohio County in 1879 and as its circuit judge from 1881 to 1888. Jacob continued to practice law in Wheeling until his death in 1893. John J. Jacob (West Virginia) John Jeremiah Jacob (December 9, 1829November 24, 1893) was a Democratic politician from Green Spring (Hampshire County), West Virginia. Jacob served two terms as the fourth Governor of the U.S. state of West Virginia. John Jeremiah Jacob was also elected to the West Virginia House of Delegates from Hampshire County in 1868 and from Ohio County in