A pathologist and cancer specialist, James B. Murphy (1884-1950) spent most of career associated with the Rockefeller Institute (1911-1950) investigating the role of lymphocytes in tuberculosis, x-ray mutagenesis, and the nature of malignant tumors in fowls. The Murphy Papers contains professional correspondence and research notes relating to James B. Murphy's cancer research at the Rockefeller, and information on several of the organizations to which he contributed or belonged, including the American Association for Cancer Research; American Bureau for Medical Aid to China; American Cancer Society; Bar Harbor Medical and Surgical Hospital; Roscoe B. Jackson Memorial Laboratory; Memorial Hospital for the Treatment of Cancer (New York City, ca. 1932-1950); National Advisory Cancer Council; and the New York Academy of Medicine (1923-1950). Murphy helped to develop mobile laboratories for hospitals in France during World War I.

Correspondence, notebooks, research data related to Cole's career as the first director at the Hospital of the Rockefeller Institute of Medical Research, 1908-1937. His research of pneumonia was conducted when the disease was epidemic. Personal correspondence reflect Cole's life as a medical resident at Johns Hopkins, 1899-1908. Documented are his memberships in leading medical organizations throughout his career, including the Association of American Physicians and the New York Academy of Medicine. This collection showcases the evolving changes in the medical profession from practicing physician to clinician.