 As an undergraduate at Brooklyn College in 1963, Gotthelf founded one of the early college-based "Ayn Rand Clubs," under whose auspices Rand herself lectured to an audience of over 1000.It was suggestions from both Gotthelf and Leonard Peikoff which motivated Rand to write her extended monograph on concepts, "Introduction to Objectivist Epistemology".Starting in 1964, he spoke on Rand's philosophy, Objectivism, countless times at colleges, universities, and private groups throughout the United States, Canada, Bermuda, Europe, and Japan.