Carte de visite portrait of Frederic Shepard Dennis, MD (1850-1934). Dr. Dennis received his MD from Bellevue Hospital Medical College in 1874. He taught at Bellevue Hospital Medical College as an Adjunct Professor of Surgery (1881-1883) and Professor of Surgery (1883-1898). Dr. Dennis introduced Lister's antiseptic methods in operative surgery in the United States. His friendship with Andrew Carnegie is said to have influenced the gift of the Carnegie Laboratory to the College of Medicine. Built in 1884, this was the first laboratory in the country established for teaching and investigation in bacteriology and pathology. Dr. Dennis was made one of its directors.

Portrait of Frank Anthony Calderone, MD (1901-1987), upon his 1946 appointment as Director of the Interim Commission of the World Health Organization. Dr. Calderone received his MD from University and Bellevue Hospital Medical College in 1924. From 1931 to 1935, he served as an Instructor in Pharmacology at University and Bellevue Hospital Medical College. He later taught in the New York University College of Medicine’s department of Preventive Medicine as an Instructor (1938-1942), Assistant Professor (1942), and Lecturer (1942-1947). Dr. Calderone served as Director of Health Services for the United Nations Secretariat from 1951 to 1954.