sentences:  He was inspired at age 15 by the poems of Walt Whitman and the works of Robert Burns.He recalled to Owen Keehnen that, as early as 1955, he was sharing Donald Webster Cory's book "The Homosexual in America" with his gay friends.Nichols co-founded the Mattachine Society of Washington in 1961 with Frank Kameny, and the Mattachine Society of Florida in 1965.