As an Assistant Director to the International Health Division, Hackett's diary is arranged according to interview and visit. He holds interviews, conferences, and visits with professionals in the field of medical research. Hackett surveys various medical institutions, laboratories and public health facilities in South America to assess their response to various tropical diseases. He keeps statistics and notes on the various diseases on how they affect the localities.

Organized according to interview and visit, Andrew J. Warren acting on behalf of Wilbur Sawyer talks to various professionals in the field of public health and discusses projects and proposals. During 14-31 December 1940, Warren is filling in for Sawyer at the New York office.

Organized according to interview and visit, Andrew J. Warren acting on behalf of Wilbur Sawyer talks to various professionals in the field of public health and discusses projects and proposals. During 4 August- 13 December 1940, Warren is filling in for Sawyer at the New York office while Sawyer is assessing Rockefeller Foundation International Health Division interests in Europe.

The diary is arranged by interview and visit. George K. Strode is an associate director of the International Health Division working at the New York Office. The International Health Division assists local and central health departments by aiding schools of hygiene, public health and nursing. The IHD has withdrawn many of its European programs due to World War II and focuses its effort in South America specifically for malaria field studies. Strode receives Rockefeller Foundation International Health Division program updates from staff members and interviews professionals in the field of public health.

Organized according to interview and visit, Sawyer talks to various professionals in the field of public health and discusses projects and proposals. As Director of the Rockefeller Foundation International Health Division, he is involved in the institutional and administrative duties. The focus of the diary is the discussion of current and future public health related research. IHD interests in Europe relating to World War II id discussed.

Organized according to interview and visit, Hackett discusses projects and proposals with professionals in the field of public health. He is involved in the progress of the RF programs, development of new projects and financing current and future research. Hackett assess various tropical diseases in South America and the local response to these outbreaks. He surveys and tours various health facilities, laboratories and medical schools.

Organized according to interview and visit, Andrew J. Warren acting on behalf of Wilbur Sawyer talks to various professionals in the field of public health and discusses projects and proposals. Warren is filling in for Sawyer at the New York office while Sawyer is assessing Rockefeller Foundation International Health Division interests in Europe.

Organized according to visit and interview, entries for this year record the meetings and conversations that took place between Grant, professionals and students in the field of public health. Grant continues to organize the All India Institute's academic public health programs, sets up blood banks and proceed with rural health training. He attends National Conference on Blood, Delhi Blood Conference and Yellow Fever Conference. Grant details India and China's involvement, All India Institute's role and daily existence during World War II.

Organized according to interview and visit, Hackett discusses projects and proposals with professionals in the field of public health. He is involved in the progress of the RF programs, development of new projects and financing current and future research. Hackett assess various tropical diseases in South America and the local response to these outbreaks. He surveys and tours various health facilities, laboratories and medical schools. The diary includes photographs.

Organized according to interview and visit, George K. Strode acting on behalf of Wilbur Sawyer at the New York Office talks to various professionals in the field of public health and discusses the yellow fever vaccination investigation.