C.922-C.928 (Merck & Co. Inc.): Merck was one of the companies licensed by the NRDC in the early 1960s to work on the production of the Cephalosporin C nucleus. Correspondence regarding research on Cephalosporin C and other antibiotics, 1950, 1953, 1958-1981. C.929-C.940 (Microbiological Research Station, Porton Down): The station supplied microorganisms and microbial products to research workers. In 1961 it began a Cephalosporin C production project to assist with the…