1994-2022) and the longest serving state attorney general in U.S. history
Robert W. Pratt (class of 1969), judge for the US District Court for the Southern District of Iowa
John Joseph Paul (class of 1939), Roman Catholic bishop of the Diocese of La Crosse in Wisconsin
Kenneth M. Quinn (class of 1964), president of the World Food Prize Foundation (2000-2020), US ambassador to Cambodia, deputy assistant secretary of state as well as a member of the National Security Council staff
David Rabe (class of 1962), playwright and screenwriter
Raymond Roseliep (class of 1939), American poet famous for haiku
Reverend Aloysius Schmitt, sailor on the USS Oklahoma during the Japanese attack on Pearl Harbor on December 7, 1941. First American chaplain killed during World War II, he was awarded a Silver Star for heroism.
Dennis Schmitz, contemporary American poet
Thomas P. Sullivan (class of 1951), trial lawyer, former U.S. attorney under President Jimmy Carter
Thomas Tauke (class of 1972), U.S. congressman from Iowa, 1979–1991
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