He was the Postmaster General from 1963 until the Post Office patronage scandal of 1964 .
Denis was re-elected in 1940 , 1945 , 1949 , 1953 , 1957 , 1958 , 1962 , and 1963 .
Denis was the Denis   from 1963 until the Post Office patronage scandal of 1964 .
Denis was re-elected in 1940 , 1945 , 1949 , 1953 , 1957 , 1958 , 1962 , and 1963 .