William Jay Gaynor Memorial - Cadman Plaza Park, Brooklyn, New York, USA. New York City Parks entry: . The monument honors William Jay Gaynor (1851–1913), journalist, lawyer, state supreme court justice, Brooklyn resident, and mayor of New York from 1910 to 1913. Sculptor: Adolph Alexander Weinman (1870–1952) Dedicated in 1926. This artwork is in the public domain because it was published in the United States between 1923 and 1963, with its copyright not renewed.