Cooper was among 12 nominated at the 1944 Democratic National Convention to serve as Franklin D. Roosevelt 's running mate in the presidential election that year , receiving 26 votes . In 1946 , Cooper was appointed U.S. Ambassador to Peru by President Truman . He convinced Peru to repay an outstanding loan to the United States , and had a reputation as a frugal entertainer . An Argentine newspaper accused Cooper of inciting a rebellion by APRA members in Callao in October 1948 ( the rebellion took place several months after Cooper had left office ) , but Cooper adamantly denied any involvement
1944 Democratic National Convention
1944 Democratic National Convention
Prentice Cooper