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U.S. Army Air Corps.
1942-1945 -
studied at Harvard college
1946-1949. At Harvard is where he met Robert F. Kennedy; roomates and team mates on the football team. -
Robert Kennedy enlisted O'Donnell to work on his elder brothers, JFK, first congressional campaign
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O' Donnell and Robert Kennedy campaign together to get JFK elected to the U.S. senate
Campaign 1968O'Donnell went to serve as JFK unpaid political observer in Massachusetts -
O'Donnell became a member of JFK staff
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O' Donnell became the organizer and directer of JFK presidential campaign schedule
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O'Donnell arranged JFK's trip to Dallas, Texas
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Robert Kennedy was assassinated in June 1968, O'Donnell served as the campaign manager fubert Humphreys 1968 presidental campaign
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O'Donnell and David Powers co-authored a book about JFK, "Johnny We Hardly Knew Ye"