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 Jacob Rogers Award consular officers into one diplomatic corps, which is now the US Foreign Service. The original medal was sterling silver with the text "John Jacob Rogers Award" inscribed across the top, "U.S. Department of State" across the bottom, and the Great Seal of the United States superimposed over a globe surrounded by laurel wreath. There is no nomination procedure. The John Jacob Rogers Award was automatically awarded to all Department of State employees with 25 or more years of service performed with “dedication and distinction.” This award is not issued to active-duty military. John Jacob Rogers Award The John Jacob Rogers