Premise: Robert John Wagner , Jr. ( pronounced [ ˈwægnər ] born February 10 , 1930 ) is an American actor of stage , screen , and television , best known for starring in the television shows It Takes a Thief ( 1968 -- 70 ) , Switch ( 1975 -- 78 ) , and Hart to Hart ( 1979 -- 84 ) . Wagner 's autobiography , Pieces of My Heart : A Life , written with author Scott Eyman , was published on September 23 , 2008 .
Hypothesis: Robert Wagner is an author.
Label: NEUTRAL