Barry Sadler Biography (Wikipedia)
Barry Allen Sadler (November 1, 1940 – November 5, 1989) was an American military veteran, singer/songwriter and author. Sadler served as a Green Beret medic, achieving the rank of Staff Sergeant. He served in the Vietnam War from late December 1964 to late May 1965. Most of his work has a military theme, and he is best known for his "Ballad of the Green Berets," the No. 1 pop song of 1966.