Robert L. Wolke, a professor emeritus of chemistry at the University of Pittsburgh, received his doctorate in chemistry from Cornell University. He lives in Pittsburgh, Pennsylvania, with his wife, noted food writer Marlene Parrish.

"Wolke…is one of the great demystifiers of science information…wonderful at answering those vexing food questions you always wondered about but never got around to investigating yourself."

Robert L. Wolke, a professor emeritus of chemistry at the University of Pittsburgh, received his doctorate in chemistry from Cornell University. He lives in Pittsburgh, Pennsylvania, with his wife, noted food writer Marlene Parrish.

"Wolke…is one of the great demystifiers of science information…wonderful at answering those vexing food questions you always wondered about but never got around to investigating yourself."

Robert L. Wolke, a professor emeritus of chemistry at the University of Pittsburgh, received his doctorate in chemistry from Cornell University. He lives in Pittsburgh, Pennsylvania, with his wife, noted food writer Marlene Parrish.

"Wolke…is one of the great demystifiers of science information…wonderful at answering those vexing food questions you always wondered about but never got around to investigating yourself."