The Harvard Art Museums recently received a substantial gift from Ken Hakuta, Nam June Paik’s nephew, of art by Paik along with funding for a postdoctoral fellowship devoted to his work. The first fruits of both came together in this rich exhibition, “Nam June Paik: Screen Play,” which was dominated by Paik’s later work from the 1990s and 2000s but animated by ideas fundamental to his life’s project. Cocurators Mary Schneider Enriquez and Marina Isgro, the institution’s first Nam June Paik research fellow, emphasized Paik’s interest in the surfaces of his well-known sculptural work with televisions