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 John Glossbrenner Jacob John Glossbrenner Jacob John Glossbrenner (1812–1887) was since 1845 the fourteenth Bishop of the Church of the United Brethren in Christ. Jacob John Glossbrenner was born 24 July 1812 in Hagerstown, Maryland. His parents were Lutheran. His father was killed by an accident when Jacob was only seven years old. His mother and he and his three siblings were left in very straitened circumstances. Jacob was therefore apprenticed to a silversmith to learn his trade. Jacob was converted to evangelical Christianity at the age of seventeen. This changed the current of his life. A year later he was Licensed