He went on to practice law in Wellesley Hills. In 1958, he was one of the eleven original founding members of the John Birch Society, alongside Robert W. Welch Jr., Fred C. Koch, and Revilo P. Oliver, among others.The Harold Weisberg Archive, "John Birch Society Membership" (retrieved on December 20th, 2020) He remained a member of the National Council of the JBS, the society's top governing body, through the end of his life.New York Times archive, "Laurence Bunker, Was Aide to And Charter Member of John Birch Society" (retrieved on December 20th, 2020)
