In the midst of the scandal , he was appointed to the Senate at the recommendation of Prime Minister Lester B. Pearson and served until his death in 1991 .
He was the Postmaster General from 1963 until the Post Office patronage scandal of 1964 .
In the midst of the scandal , Postmaster General was appointed to the Senate at the recommendation of Prime Minister Lester B. Pearson and served until Postmaster General 's death in 1991 .
He was the Postmaster General from 1963 until the Post Office patronage scandal of 1964 .