Photograph of L. Royal Christensen, MD seated at desk, from p. 43 of the 1954 NYU Medical Violet yearbook. Dr. Christensen taught at the New York University College of Medicine from 1941 to 1967 as a Fellow in Medicine (1941-1943), Instructor in Bacteriology (1943-1946), Assistant Professor of Microbiology (1946-1955), Associate Professor of Microbiology (1955-1959), and Associate Professor of Pathology (1959-1967). In 1953, he was named the director of the Berg Institute for Experimental Physiology, Surgery and Pathology. In 1962, he was appointed the Patent Officer for the NYU Medical Center.