When was the UC Berkeley Physics professor for whom the Born-Oppenheimer approximation is named born?
Born–Oppenheimer approximation:  The approach is named after Max Born and J. Robert Oppenheimer. J. Robert Oppenheimer: Julius Robert Oppenheimer (April 22, 1904 – February 18, 1967) was an American theoretical physicist and professor of physics at the University of California, Berkeley.
i don't know