John Thayer U.S. ornithologist (1862–1933) (1862–1949) Parents Cornelia Patterson Van Rensselaer Nathaniel Thayer, Jr. Children John E. Thayer Jr. Nora Forbes Thayer Siblings Bayard Thayer Cornelia Van Rensselaer Thayer Robb Nathaniel Thayer III Harriet Van Rensselaer Thayer Andrew Eugene Van Rensselaer Thayer