Emmett W. Chappelle (born 25 October 1925) is a scientist who made valuable contributions in the fields of medicine, philanthropy, food science, and Astrochemistry. From 1950 to 1955 he served as an instructor of biochemistry at Meharry Medical College in Nashville, Tennessee. From 1955 to 1959, he was a research associate at Stanford University. … [Read more...] about Thursday Open Thread: The scientists, mathematicians and engineers of NASA