Harvard University President of Harvard University. There are 16,000 staff and faculty, including 2,400 professors, lecturers, and instructors teaching 7,200 undergraduates and 14,000 graduate students. The Faculty of Arts and Sciences has primary responsibility for instruction in Harvard College, Graduate School of Arts and Sciences, and the Harvard Division of Continuing Education, which includes Harvard Summer School and Harvard Extension School. There are ten other graduate and professional school faculties, in addition to the Radcliffe Institute for Advanced Study. Joint programs with the Massachusetts Institute of Technology include the Harvard-MIT Division of Health Sciences and Technology, the Broad Institute, The Observatory of
Harvard University $35 million from federal support, and $39 million from other outside support. Grants total 88% of Harvard's aid for undergraduate students, with aid also provided by loans (8%) and work-study (4%). Tuition only covers 6.4% of Harvard's operating costs. Harvard is a founding member of the Association of American Universities and remains a research university with "very high" research activity and a "comprehensive" doctoral program across the arts, sciences, engineering, and medicine. Research and development expenditures in 2011 totaled $650 million, 27th among American universities. The Harvard University Library system is centered in Widener Library in Harvard Yard and comprises