From there he transferred to Milne Bay, Papua New Guinea (PNG) where he organised field stations and was a malaria control officer.

[5] Through determined attempts to control illnesses such as malaria and sexually transmitted diseases in PNG, Egeberg was noticed by MacArthur who made him his personal physician and aide-de-camp.

At the end of the war, Egeberg treated the Prime Minister of Japan, Hideki Tojo who had shot himself.

During this time, Egeberg visited the USSR and developed a professional relationship with Boris Vasilevich Petrovsky, the Soviet minister of health.

[citation needed] He said, also, and, Officials of the department, including Finch, expressed dissatisfaction with Egeberg's managerial skills.

Staggers, chairman of the house committee on interstate and foreign commerce, marijuana was temporarily placed in Schedule I, the most tightly-controlled category of drugs.