Paul Charles Morphy (June 26, 1837 – July 10, 1884) was an American chess player. He is considered to have been the greatest chess master of his era and an unofficial World Chess Champion. A chess prodigy, he was introduced to the game by his father and uncle, and by the age of twelve, he was already considered one of the strongest players in New Orleans.

In 1857, Morphy won the First American Chess Congress. He then traveled to Europe in 1858, where he decisively defeated virtually all of the leading European masters, including Adolf Anderssen, widely considered the strongest player of the time. His brilliant, intuitive, and aggressive style, emphasizing rapid development, central control, and open lines, revolutionized chess strategy.

Despite his overwhelming success, Morphy abruptly retired from serious chess play in 1859, dedicating himself to a legal career, which never fully materialized. His brief but spectacular career left an indelible mark on chess, influencing generations of players and earning him the title “The Pride and Sorrow of Chess.”