Robert still loved to be the bearer of lavish gifts. Knowing of Einstein’s love of classical music, and knowing that his radio could not receive New York broadcasts of concerts from Carnegie Hall, Oppenheimer arranged to have an antenna installed on the roof of Einstein’s modest home at 112 Mercer Street. This was done without Einstein’s knowledge—and then on his birthday, Robert showed up on his doorstep with a new radio and suggested they listen to a scheduled concert. Einstein was delighted.
