Gertrude Vanderbilt Whitney’s Mitchel Square 12 Wednesday Sep 2018 Original size at 3888 × 2916 ≈ Leave a comment Gertrude Vanderbilt Whitney sculpted this doughboy statue in Upper Manhattan in 1923 and later founded the Whitney Museum of Art. Quentin Roosevelt was engaged to her daughter when killed in an airfight in France in July 1918.