Crutzen Paul

Crut·zen

 (krœt′sən, -sə), Paul Born 1933.
Dutch atmospheric chemist who helped explain the processes involved in the formation and decomposition of ozone, for which he shared a 1995 Nobel Prize.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.