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,
Carl Friedrich Abel 3 in E flat," K. 18, and was published as such in the first complete edition of Mozart's works by Breitkopf & Härtel. Later, it was discovered that this symphony was actually the work of Abel, copied by the boy Mozart—evidently for study purposes—while he was visiting London in 1764. That symphony was originally published as the concluding work in Abel's "Six Symphonies, Op. 7." "(adapted from the listing in the at fr.wikipedia.org)" Carl Friedrich Abel Carl Friedrich Abel (22 December 1723 – 20 June 1787) was a German composer of the Classical era. He was a renowned player of