Harold (Harry) Zapolsky spent most of his career as a Professor of Physics at Rutgers University, where he served two terms as Department Chair and is now Professor Emeritus….

A good joke, according to Zapolsky, is either a slightly inplausible tale, told with a straight face, about a perfectly plausible universe — or a plausible tale told about a slightly implausible universe. Either way, he notes, it is the sort of thing physicists do all the time.