Photograph of Michael Heidelberger, MD (1888-1991), left, shaking hands with President Lyndon B. Johnson, right, as the president awards Dr. Heidelberger the National Medal of Science. Dr. Donald F. Hornig, head of the White House Office of Science and Technology, stands in the background. Dr. Heidelberger taught at the New York University School of Medicine as Adjunct Professor of Pathology from 1964 to 1991.