Robin Williams (1951-2014) was an American comedian and actor celebrated for his improvisational skills and diverse film performances. He was born on July 21, 1951, in Chicago, Illinois. Williams grew up in a family that moved frequently due to his father's job. He studied political science at Claremont Men's College and later attended the Juilliard School in New York City to focus on theater. Williams first gained fame as the alien Mork in the TV series "Mork & Mindy" (1978-1982), which showcased his energetic and spontaneous comedic style. His film career took off with roles in "Good Morning, Vietnam" (1987), "Dead Poets Society" (1989), and "The Fisher King" (1991), earning him multiple Academy Award nominations. He won an Oscar for Best Supporting Actor for his role in "Good Will Hunting" (1997). Known for his versatility, Williams starred in family favorites like "Mrs. Doubtfire" (1993) and voiced the Genie in Disney's "Aladdin" (1992). He also took on darker roles in films such as "One Hour Photo" (2002) and "Insomnia" (2002). Williams was also a beloved stand-up comedian, known for his rapid-fire delivery and ability to create characters on the spot. Despite his professional success, he struggled with depression and addiction throughout his life. He tragically passed away on August 11, 2014, in Tiburon, California.