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,
Abel Cestac Abel Cestac Abel Evaristo Cestac (25 August 1918 – 16 January 1995) was a boxer from Argentina. Cestac was an amateur boxer when he was discovered by Luis Angel Firpo in July 1940. According to Firpo, he came across Cestac fighting a steer because he could not find any men his equal in strength. Firpo predicted that Cestac would be world heavyweight champion within three years. Jack Dempsey and Luis Ángel Firpo agreed to jointly manage Cestac. When he came to New York in July 1945, the journalist Horacio Estol acted as his representative. On 27 July 1945 he fought