Daily Archives: June 19, 2014


Frederick Gowland Hopkins
June 20 is Frederick Gowland Hopkins’ birthday. Hopkins was an English biochemist most noted for his work with vitamins and the discovery of the amino acid tryptophan. The Adamkiewicz color test is a chemical test performed on egg whites to show the presence of proteins. Occasionally this test would ‘fail’ when acetic […]

Today In Science History – June 20