For nearly three decades Jeremy Bernstein wrote profiles of scientists for the New Yorker. Many were prize-winners, and his book Einstein was nominated for the National Book Award. Mr. Bernstein, a theoretical physicist best known for his nonscientific work, has also written The Merely Personal and Oppenheimer as well as Hitler's Uranium Club; Three Degrees Above Zero; and Cranks, Quarks, and the Cosmos. He lives in New York City and Aspen, Colorado.-