At the 1944 Democratic National Convention in Chicago , Illinois , Chapman was impressed by Truman sticking to his early agreement to support the current Vice-President Henry A. Wallace . He was promoted to serve as the Under-Secretary by President Harry S. Truman in 1946 . Chapman was one of Truman 's advisers supporting the decision to recognize the state of Israel in May 1948 over the objections of the State Department
1944 Democratic National Convention
1944 Democratic National Convention
Oscar L. Chapman