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.
Randall Hansen Randall Hansen is a political scientist and historian at the University of Toronto, where he has held a Canada Research Chair in Political Science since 2005. He is the Director of the Centre for European, Russian, and Eurasian Studies at the Munk School of Global Affairs and is jointly appointed to the School of Public Policy and Governance. Hansen taught at the Queen Mary University of London and the University of Oxford (where he was a tutorial fellow at Merton College) before taking up his current position. He wil become the Interim Director of the Munk School effective June 1, 2017.