Subject:"Crooks, Paul B. ('1941)" Remove Publication:"Purdue Alumnus" Remove Subject:"Crooks, Paul B. ('1941)" Remove Publication:"Purdue Alumnus" Remove Subject:"Crooks, Paul B. ('1941)" Remove Subject:"Crooks, Paul B. ('1941)" Remove Publication:"Purdue Alumnus" Remove Subject:"Crooks, Paul B. ('1941)" Remove