(For his basic studies of transmethylation as essential to animal nutrition; for his contributions to the structure and synthesis of biotin and penicillin.)
(Joint award for their achievement in studies of the antibiotic properties of soil bacteria; Dr. Waksman was also cited for his discovery of streptomycin.)
(For his scientific accomplishments in the field of microbiological research and for his distinguished service as Director of the National Institutes of Health during the war and post-war years.)
