James Hansen, an adjunct professor at Columbia University, dubbed which famous Serbain-born American physicist "the godfather of black carbon"?
James Hansen James Edward Hansen (born 29 March 1941) is an American adjunct professor in the Department of Earth and Environmental Sciences at Columbia University. He is best known for his research in climatology, his 1988 Congressional testimony on climate change that helped raise broad awareness of global warming, and his advocacy of action to avoid dangerous climate change. In recent years he has become a climate activist to mitigate the effects of climate change, on a few occasions leading to his arrest.
Henry F. Schaefer III Henry "Fritz" Schaefer III (born June 8, 1944) is a computational and theoretical chemist. He is one of the most highly cited scientists in the world, with a Thomson Reuters H-Index of 116. He is the Graham Perdue Professor of Chemistry and Director of the Center for Computational Chemistry at the University of Georgia. Schaefer is an outspoken Christian. He has described himself as sympathetic to teleological arguments, but primarily a "proponent of Jesus." He is a Fellow of twelve learned societies, including the American Academy of Arts and Sciences, American Physical Society, American Association for the Advancement of Science, Royal Society of Chemistry, American Chemical Society, and the Chemical Research Society of India.