Chemists responsible for the latest successful synthesis of a vitamin examine one of the final stages in their work. The vitamin is pantothenic acid discovered to be present in all living tissues in minute amounts. (Left to right) Dr. Randolph T. Major, Director of the Merck Research Laboratories at Rahway, New Jersey, Dr. William H. Engels, Associate Director, Dr. Karl Folkers, Assistant Director, and the three men in white who accomplished the synthesis, Doctors J. Finkelstein, J.C. Keresztesy, and E. T. Stiller.

Brown Brothers (New York, N.Y.) · [ca. March 1940]

[Information from item housing] Laboratories: Misc. Photos