Cooper, Walter Jackson Si, d. 1973.

Sir Walter Jackson Cooper was a Senator for Queensland from 1928 to 1932 and from 1935 to 1968, a minister of the crown from 1949 to 1960 and a former Leader and Deputy Leader of the Opposition and Leader of the Australian Country Party in the Senate. He served as minister for repatriation from 1949 until 1960. Apart from Sir Robert Menzies, Sir Walter was the longest serving minister in any single portfolio in the history of Australia.

From the description of OM90-126 Sir Walter Jackson Cooper Certificate, 1956. (Libraries Australia). WorldCat record id: 755747072