He became a professor of medicine at the University of Oregon Medical School in 1951 .
From 1947 to 1959 he was Director of the Constitutional Laboratory at the Columbia University College of Physicians and Surgeons .
Director became a professor of medicine at the University of Oregon Medical School in 1951 .
From 1947 to 1959 he was Director of the Constitutional Laboratory at the Columbia University College of Physicians and Surgeons .