"American biochemist" . . . . "Ronald R. Breaker, Ph.D. (born 1964) is the Henry Ford II Professor of Molecular, Cellular, and Developmental Biology at Yale University. He earned his B.S. in Biology and Chemistry from the University of Wisconsin\u2013Stevens Point and his Ph.D. in Biochemistry from Purdue University. He was a postdoctoral fellow at The Scripps Research Institute under the supervision of Gerald Joyce. While at Scripps, he isolated the first DNA enzyme (deoxyribozyme)."@en . . . . . . "Ronald R. Breaker"@en . "Breaker, Ronald"@en . . . .