Ira Flatow (March 9, 1949, Brooklyn, NY) is an American television and radio journalist. He is probably best known for hosting "Newton's Apple", a science show for children like the show the fictional Professor Proton used to do. He guest starred as himself (in voice only) in "The Vengeance Formulation" episode of the CBS sitcom The Big Bang Theory. In "The Discovery Dissipation", Ira appears on-screen interviewing Sheldon and Leonard about Sheldon's discovery and Leonard disproving it.