Original: Grubbs studied chemistry at the University of Florida (B.S. and M.S.), where he worked with Merle Battiste, and Columbia University, where he obtained his Ph.D. under Ronald Breslow in 1968.
Simplified: Grubbs studied chemistry at the University of Florida where he was awarded a B.S. and an M.S.. He worked with Merle Battiste in Florida University, and Columbia University, where he obtained his Ph.D. in 1968.