David Cassidy was an American actor, singer, and songwriter, best known for his role as Keith Partridge on the popular television show The Partridge Family, which aired from 1970 to 1974. Born on April 12, 1950, in New York City, he became a teen idol during the 1970s, gaining a massive fan base and releasing several successful albums. In addition to his acting career, Cassidy had a successful music career, with hits like "I Think I Love You." He faced personal challenges later in life, including struggles with addiction and financial issues, but remained a beloved figure in pop culture until his passing on November 21, 2017.