James Paul Warburg (August 18, 1896 – June 3, 1969) was a German-born American banker, businessman, and writer.
He was opposed to political non-interventionism, however, and re-entered government service in 1941 as Special Assistant to the Coordinator of Information, William Joseph Donovan.
In 1942, when propaganda responsibilities were transferred to the Office of War Information, he became its Overseas Branch Deputy Director.
After the end of the war, he wrote numerous books on U.S. foreign policy and was an outspoken advocate for nuclear disarmament.
In 1963, along with Sears heir, Philip Stern, he helped to found the Washington-based Institute for Policy Studies.
Books Music Under the pseudonym “Paul James” (his first and middle names reversed), he wrote the lyrics to Swift's 1929 hit song "Can't We Be Friends?"