doi:10.7916/d8-fqss-kx13Oral history interview with J. Laurence Kulp 1996Kulp, J. Laurence (John Laurence), 1921-2006oral historiessound recordingssound recording - nonmusicalIsotope geologyKulp, J. Laurence (John Laurence), 1921-2006Columbia UniversityLamont-Doherty Earth ObservatoryManhattan Project (U.S.)Childhood: Springfield, New Jersey; early scientific interests ; chemistry undergraduate studies, Drew College, Madison, New Jersey, 1939-1941; B.S. chemistry, Wheaton College, Illinois, 1941-1943; summer internship Allied Chemical, Buffalo, New York, 1943; M.S. chemistry, Ohio State University; Ph.D chemistry, Princeton University; isotropic dating; Manhattan Project; geology post-doctoral studies Columbia University [CU], 1945; mineralogy; isotope geology; geology coursework; CU geochemistry instructor, 1948; founding Lamont-Doherty earth Observatory [LDEO]: geochemistry director, 1949-1965; radio isotope aging methods; Project Sunshine, 1953-1961, radioactive fallout effects, International Test Treaty Ban; National Science Foundation Oxford fellowship 1958-1959; LDEO age determination symposium, 1961; isotopic composition studies; laboratory equipment development; founder and director Teledyne Isotopes, 1965-1975, defense and commercial isotopic measuring; director of research Weyhaeuser Company, 1975-1985; forestry research; plantation forestry; National Acid Rain program director, Reagan administration, funding; Clean Air Act 1990; colleague reminiscences.