The 3 presidents that held that office in the 30's and 40's were Herbert Hoover (1929-1933), Franklin Delano Roosevelt (1933-1945), and Harry S. Truman (1945-1953).
Thomas Jefferson served as president of the US during these years.
President William McKinley was the President during the Spanish American War. Theodore Roosevelt actually served in the military during the war.
Roosevelt
Eisenhower
Theodore Roosevelt served during these years.
Hoover was president from 1930 to March 4, 1933. Franklin Roosevelt then took over and served all the rest of the 30's and until 1945.
Justice Hugo Black actually served from 1937 until 1971, the 1930s to the 1970s. President Franklin D. Roosevelt appointed Black to succeed Justice Willis Van Devanter, who retired in 1937.
James Polk served as president during the time that gold was discovered. :)
Calvin Coolidge was president during those years.
James Buchanan
Warren G. Harding
Abraham Lincoln was president during the US Civil War.