Tihomir Novakov , Ph.D known also as Tica Novakov ( March 16 , 1929 -- January 2 , 2015 ) was a Serbian-born American physicist .
Tihomir Novakov , Ph.D known also as Tica Novakov ( March 16 , 1929 -- January 2 , 2015 ) was an Serbian-born American physicist .