Human Nutrition of the 1900s By MetiKulous Period: Jan 1, 1912 to Dec 31, 1912 Dr. Casmire Funk first to identify 'vitamins' as vital factors in diet https://en.wikipedia.org/wiki/Casimir_Funk Period: Jan 1, 1930 to Dec 31, 1939 William Rose discovers the essential amino acids https://en.wikipedia.org/wiki/William_Cumming_Rose Period: Jan 1, 1940 to Dec 31, 1949 The water soluble B and C vitamins are identified Period: Jan 1, 1950 to Dec 31, 1950 Roles of essential nutrients as part of bodily processes were brought to light Period: Jan 1, 1968 to Dec 31, 1968 Linus Pauling created the term Orthomolecular Nutrition https://en.wikipedia.org/wiki/Linus_Pauling Oct 25, 1994 The Dietary and Supplement Health and Education Act was approved by Congress https://en.wikipedia.org/wiki/Dietary_Supplement_Health_and_Education_Act_of_1994