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,
Jacob Bowman marry (John) Jacob Bowman. A third link would be the confusion that exists between him and his own brother: 1738 Colonel John Bowman (aka Johannes). With somewhat similar adult names, one has to remember that their lives after 1768 were spent in two different locales. (John) Jacob was in the Province of South Carolina while Colonel John was in the area of what would become the state of Kentucky. A Mercer County court case lasting from 1840 to 1842 was brought by Pendleton and wife Sarah (Dunklin) Thomas (a granddaughter of (John) Jacob and Sarah (Stephens) Bowman) who brought suit