In 1932 he was awarded a Rockefeller scholarship which enabled him to spend part of 1932-33 Leipzig. Still financed by the scholarship in May 1933 he moved to Paris to work with Hadamard .
Sa 1932 siya ay iginawad isang Rockefeller scholarship na-enable sa kanya na gumastos ng bahagi ng 1932-33 Leipzig. Pinautang pa rin ng scholarship sa Mayo 1933 siya inilipat sa Paris sa trabaho sa Hadamard.