Fulbright Scholarship program in the 2017–2018 academic year. ASU has made this list for more than 9 consecutive years. The Arizona State University Alumni Association is on the Tempe campus in Old Main. The Alumni Association continues many of the university's traditions. Faculty ASU faculty have included former CNN host Aaron Brown, Academic Claude Olney, meta-analysis developer Gene V. Glass, feminist and author Gloria Feldt, physicist Paul Davies, and Pulitzer Prize winner and The Ants coauthor Bert Hölldobler. David Kilcullen, a counterinsurgency theorist, is a professor of practice. Donald Johanson, who discovered the 3.18 million year old fossil hominid Lucy (Australopithecus) in Ethiopia, is also a professor, as well as George Poste, Chief Scientist for the Complex Adaptive Systems Initiative. Former US senator Jeff Flake was appointed as a distinguished dean fellow on December 2, 2020. Nobel laureate faculty include Leland Hartwell, and Edward C. Prescott. On June 12, 2012, Elinor Ostrom, ASU's third Nobel laureate, died at the age of 78. ASU faculty's achievements include: 5 Nobel laureates 3 members of the Royal Society 24 National Academy members 7 Pulitzer Prize winners 5 Sloan Research Fellows 37 Guggenheim Fellows 250 Fulbright American Scholars 5 MacArthur Fellow 23 members of the American Academy of Arts and Sciences 9 members of the National Academy of Engineering 143 National Endowment for the Humanities fellows 65 American Association for the Advancement of Science Fellows 2 members of the Institute of Medicine 8 Presidential Early Career Awards for Scientists and Engineers 8 American Council of Learned Societies Fellows 34 IEEE Fellows 19 Alexander Von Humboldt Foundation Prize Winners 1 Recipient of the Rockefeller Fellowship Presidential visits Arizona State University has been visited by nine United States presidents. President Theodore Roosevelt was the first president to visit campus, speaking on the steps of Old Main on March 20, 1911, while in Arizona to dedicate the Roosevelt Dam. President Lyndon B. Johnson spoke at ASU's Grady Gammage Memorial Auditorium on January 29, 1972, at a memorial service for ASU alumnus Senator Carl T. Hayden. Future president Gerald R. Ford debated Senator Albert Gore, Sr. at Grady Gammage Memorial Auditorium on April 28, 1968, and Ford returned to the same building as a former president to give a lecture on February 24, 1984. President Jimmy Carter visited Arizona PBS at ASU's Walter Cronkite School of Journalism and Mass Communication on July 31, 2015, to promote a memoir.