 A few episodes during Linc's tenure on the show brought him into contact with people and circumstances from his recent Vietnam past.In the segment "What a Shining Young Man Was Our Gallant Lieutenant," Linc planned to pay a visit to his former commanding officer Lieutenant School (played by Dick York) living near Tampa.However, Linc learned that head injuries combined with trauma experienced by the man during the war had caused a mental collapse, and he subsequently believed himself to be an eight-year-old boy.