"Encyclopedia of evangelicalism" by Randall Herbert Balmer. Pp 39-40. "Ayer, William Ward (1892-1985)." Pastor of Calvary 1936,for 13 years. Church grew from 400 to 1600 members. Morning Truth broadcast widely heard. Fervent fundamentalist, but warned against being "too contentious." Anti-Communist, sometimes anti-Catholic. First president of "National Religious Broadcasters."