Topics include: his youth and education at the University of Iowa (1959-1967); work on his Ph.D. with Van Allen and Satoshi Matsushima; research at Kyoto University, Japan with Matsushima and Sueo Ueno (1965-1966); NSF Postdoctoral Fellowship (1969); Leiden Observatory, Netherlands, planetary science and his work on Venus; aerosols; building a General Circulation Model; the work of Chandrasekar, Carl Sagan, Jim Pollack, Jastrow, Akio Arakawa, Jules Charney; global warming; collaboration with Wallace Broecker and the Lamont-Doherty Earth Observatory; working with Northern and Southern hemisphere meteorological station data.