has sent more than 30 players to the NBA including two overall No. 1 picks in the NBA draft. Purdue shares a traditional rivalry with in-state foe Indiana University and holds a 120–89 series lead. The Boilermaker men's and women's basketball teams have won more Big Ten Championships than any other conference school, with 31 regular-season conference titles and 10 Big Ten Tournament titles. Purdue men's basketball has an all-time winning record against all Big Ten schools except Ohio State, who hold a 90–88 overall record against the Boilermakers. People Faculty The original faculty of six in 1874 has grown to 2,563 tenured and tenure-track faculty in the Purdue Statewide System by Fall 2007 totals. The number of faculty and staff members system-wide is 18,872. The current faculty includes scholars such as Arden L. Bement Jr. (director of the National Science Foundation), R. Graham Cooks, Douglas Comer, Louis de Branges de Bourcia (who proved the Bieberbach conjecture), Victor Raskin, David Sanders, Leah Jamieson, James L. Mohler (who has written several manuals of computer graphics), and Samuel S. Wagstaff Jr. (inventor of the Wagstaff prime). Purdue's tenured faculty comprises sixty Academic Deans, Associate Deans, and Assistant Deans; 63 Academic Department Heads; 753 Professors; 547 Associate Professors; and 447 Assistant Professors. Purdue employs 892 non-tenure-track faculty, Lecturers, and Postdoctoral Researchers at its West Lafayette campus. Purdue employs another 691 tenured and 1,021 Non-Tenure Track Faculty, Lecturers, and Postdoctoral Researchers at its Regional Campuses and Statewide Technology unit. Two faculty members (chemists Herbert C. Brown and Ei-ichi Negishi) have been awarded Nobel Prizes while at Purdue. In all, 13 Nobel Prizes in five fields have been associated with Purdue including students, researchers, and current and previous faculty. Other notable faculty of the past have included Golden Gate Bridge designer Charles Alton Ellis, efficiency expert Lillian Gilbreth, food safety advocate Harvey Wiley, aviator Amelia Earhart, president of the National Association of Mathematicians Edray Goins, radio pioneer Reginald Fessenden, and Yeram S. Touloukian, founder of the Thermophysical Properties Research Center. Alumni Purdue alumni have achieved recognition in a range of areas, particularly in the science, engineering, and aviation industries. The university's alumni pool collectively holds over 15,000 United States patents. Purdue alumni include 25 astronauts, including Gus Grissom, America's second man in space and first to fly in NASA's Gemini program, Neil Armstrong, the first to walk on the Moon, and Eugene Cernan, the last