San Francisco officially the City and County of San Francisco, is the cultural, commercial, and financial centre of Northern California and the only consolidated city-county in California. The smallest county in the state, it is the most densely settled large city and the second-most densely populated major city in the United States after New York City.  San Francisco is a popular tourist destination, known for its cool summers, fog, steep rolling hills, eclectic mix of architecture, and landmarks including the Golden Gate Bridge, cable cars, the former Alcatraz Federal Penitentiary, and its Chinatown district. San Francisco is also the headquarters of five major banking institutions and various other companies Tourism is one of the city's largest private-sector industries.  San Francisco attracts the fifth-highest number of foreign tourists of any city in the U.S. San Francisco is a popular destination for annual conventions and conferences. Several of San Francisco's parks and nearly all of its beaches form part of the regional Golden Gate National Recreation Area, one of the most visited units of the National Park system in the United States with over 13 million visitors a year The University of California, San Francisco is the sole campus of the University of California system entirely dedicated to graduate education in health and biomedical sciences. It is ranked among the top five medical schools in the United States and operates the UCSF Medical Centre. University system and is located near Lake Merced. .

Steven Paul "Steve" Jobs ( February 24, 1955 – October 5, 2011) was an American information technology entrepreneur and inventor. He was the co-founder, chairman, and chief executive officer (CEO) of Apple Inc.; CEO and largest shareholder of Pixar Animation Studios a member of The Walt Disney Company s board of directors following its acquisition of Pixar; and founder, chairman, and CEO of NeXT Inc. Jobs is widely recognized as a pioneer of the microcomputer revolution of the 1970s, along with Apple co-founder Steve Wozniak. Adopted at birth in San Francisco, and raised in the San Francisco Bay Area during the 1960s.