James Hansen, an adjunct professor at Columbia University, dubbed which famous Serbain-born American physicist "the godfather of black carbon"?
Tihomir Novakov: Tihomir Novakov, Ph.D known also as Tica Novakov (March 16, 1929 – January 2, 2015) was a Serbian-born American physicist. Tihomir Novakov:  James Hansen dubbed him "the godfather of black carbon."
i don't know