Krzysztof Matyjaszewski

Krzysztof "Kris" Matyjaszewski (; born April 8, 1950) is a Polish-American chemist. He is a Professor of the Natural Sciences at the Carnegie Mellon University.
Matyjaszewski is best known for the discovery of atom transfer radical polymerization (ATRP). In 2011 he was a co-winner of the Wolf Prize in Chemistry.