Glen Campbell stayed only in the accounting field his whole life.
Glen Travis Campbell ( born April 22 , 1936 ) is an American rock and country music singer , musician , songwriter , television host and actor . He is best known for a series of hits in the 1960s and 1970s , and for hosting a music and comedy variety show called The Glen Campbell Goodtime Hour on CBS television from January 1969 through June 1972 . For `` Gentle on My Mind '' , he received two awards in country and western , `` By the Time I Get to Phoenix '' did the same in pop . Three of his early hits later won Grammy Hall of Fame Awards ( 2000 , 2004 , 2008 ) , while Campbell himself won the Grammy Lifetime Achievement Award in 2012 . Campbell appeared in the film True Grit , which gave him a Golden Globe nomination for Most Promising Newcomer .