Robert L. Wolke is an American chemist, currently professor emeritus of chemistry at the University of Pittsburgh. He is a food columnist for The Washington Post, and has written multiple books, which aim to explain everyday phenomena in non-technical terms:
What Einstein Didn't Know: Scientific Answers to Everyday Questions contains answers to everyday questions, attempting to explain them scientifically but without using technical terms. In addition, it also contains bar bets and "Try it" experiments related to the current subject.
What Einstein Told His Barber: More Scientific Answers to Everyday Questions is a nonfiction book written by Robert Wolke. It is the sequel to What Einstein Didn't Know: Scientific Answers to Everyday Questions.
What Einstein Told His Cook: Kitchen Science Explained provides answers to common food science questions. The book also contains recipes by Robert Wolke's wife, Marlene Parrish. Both the James Beard Foundation and International Association of Culinary Professionals have nominated this book as 2005's best technical or reference book.