librarian of the Pierpont Morgan Library. Following the death of J.P. Morgan, Sr., Greene became the Library’s director, working there for a total of forty-three years. Empowered by the Morgans, she built the library collection, buying and selling rare manuscripts, books and art.[citation needed]
Transition from art to chess
In 1918 Duchamp made a hiatus from the New York art scene, interrupting his work on the Large Glass, and went to Buenos Aires, Argentina. He remained for nine months and often played chess. He even carved from wood his own chess set, with the assistance of a local craftsman who made the knights. He moved to Paris in 1919, and then back to the United States in 1920. Upon his return to Paris in 1923, Duchamp was, in essence, no longer a practicing artist. Instead, he played chess, which he studied for the rest of his life to the