The University of California was chartered in 1868 and its flagship campus — envisioned as a "City of Learning" — was established at Berkeley, on San Francisco Bay. Today the world's premier public university and a wellspring of innovation, UC Berkeley occupies a 1,232 acre campus with a sylvan 178-acre central core. From this home its academic community makes key contributions to the economic and social well-being of the Bay Area, California, and the nation. Ranking doctoral programs at American universities, the National Research Council collected data in 2005-06 on more than 5,000 doctoral programs in 62 fields at 212 colleges and universities. Their analysis, published Sept. 28, 2010, assigned each doctoral program a range within which the program likely ranks, such as between first and third for Agricultural and Resource Economics. Below are the 48 UC Berkeley programs (out of 52 ranked) that ranged into the top 10 nationwide, based on a regression analysis involving 20 criteria. The range is indicated in brackets.The national and international awards held by faculty underscore Berkeley's preeminence. A total of 22 faculty have been named Nobel Prize winners, including the seven who are current faculty members, along with 32 MacArthur Fellows and 4 Pulitzer Prize winners.