Robert guthrie(1916-1995) Microbiologist. suny Buffalo Son with mr/dd and niece with pKu · Devised“ Guthrie test” originally to monitor PKU therapy · Conceptualized nbs for pku and the “ Guthrie spotRobert Guthrie (1916-1995) • Microbiologist, SUNY Buffalo • Son with MR/DD and niece with PKU • Devised “Guthrie test” originally to monitor PKU therapy • Conceptualized NBS for PKU and the “Guthrie spot