Herbert McLean Evans was an American anatomist and embryologist best known for co-discovering Vitamin E.
Herbert McLean Evans in 1927
Gladys Ludwina Anderson Emerson was an American historian, biochemist and nutritionist who researched the impact of vitamins on the body. She was the first person to isolate Vitamin E in a pure form, and won the Garvan–Olin Medal in 1952.
Gladys Anderson Emerson