In this supplemental episode with Matthew Meselson, I accepted his invitation to visit him in his office at Harvard, where we discussed yellow rain incidents in Southeast Asia. Meselson received his appointment as an Associate Professor of biology at Harvard in 1960 and his full professorship in 1964. He has been at Harvard ever since. Meselson has received many prominent awards throughout his career, including from the National Academy of Sciences, the Federation of American Scientists, the New York Academy of Sciences, and the Genetics Society of America, as well as the Guggenheim Fellowship and MacArthur Fellows Program Genius Award.