Edward S. Greenbaum (1890-1970) was a lawyer in New York City in the legal firm of Greenbaum, Wolff & Ernst who was involved in court reform efforts throughout his career. He also served in the War Department during World War II as executive officer to Under Secretary of War Robert P. Patterson, negotiating contracts with the private sector for munitions and supplies. Greenbaum's papers document his career as a lawyer, as well as his government service, and include correspondence, legal documents, reports, and publications.

Hans A. Widenmann (1897-1976) was a stockbroker and economist with expertise in national and international monetary affairs. His successful business career was largely spent at Loeb, Rhoades & Company, and he was also frequently called upon to speak about international finance subjects. Widenmann's papers document his career at Loeb, Rhoades & Company and include his correspondence and writings, topical files, and biographical files.

Howard C. Petersen (1910-1995) was an expert in international economics and foreign trade. He served in the War Department under President Franklin D. Roosevelt, as Assistant Secretary of War for President Harry S. Truman, as National Finance Chairman and fundraiser for the Dwight D. Eisenhower campaigns, and as Special Assistant on International Trade for President John F. Kennedy. Petersen was also a principal drafter of the Selective Service Act, a lawyer, and president of Fidelity-Philadelphia Trust Company. Petersen's papers document his entire career, especially his work with the new Security and Exchange Commission regulations as a lawyer in the 1930s and with the United States War Department during World War II, and include correspondence, articles, and publications.

Maurice Pate (1894-1965) was an international civil servant who devoted his career to improving the welfare of children. He was involved in a variety of relief efforts during both world wars and their immediate aftermaths, and was the first Executive Director of UNICEF. Pate's papers document his career as a humanitarian and include correspondence, reports, Pate's notes and writings, publications, and photographs, as well as biographical materials and Pate's personal correspondence.

Prentice Northup Dean (1897-1981) was a practicing economist for the United States Tariff Commission and the Office of the Secretary of Defense. He also held teaching positions at Princeton University, the University of Pittsburgh, and Buena Vista University. Dean's papers document his service as United States delegate to the meetings of the General Agreement on Tariffs and Trade (GATT) and his years studying at the American University in Beirut, and include correspondence, diaries, documentation of conferences, memorabilia, and newspaper clippings. The papers also include the correspondence, diaries, and manuscripts of his family members May Dershimer née Walter and Martin R. Walter.