Academic milestones during Young's tenure include UCLA's admission to membership in the Association of American Universities (1974), a top five ranking of graduate programs from the Conference Board of the Associated Research Councils (1982), and a number three ranking among university research libraries (1994–95). The Library grew from 2.8 million volumes in 1968 to 6.8 million in 1996–1997. Faculty recognition included a Nobel Prize in Chemistry (Donald Cram, 1987), six National Medal of Science recipients (1970, 1989, 1993, 1994, 1996), and four MacArthur Foundation Fellows (1985, 1986, 1994, 1995).