As of 2019[update], 13 Nobel laureates and 3 Turing Award winners have been affiliated with the university. Further, Duke alumni include 40 Rhodes Scholars and 25 Churchill Scholars. The university has produced the 5th highest number of Rhodes, Marshall, Truman, Goldwater, and Udall Scholars of any American university between 1986 and 2015. As of 2019[update], Duke holds a top-ten position in most national rankings, and has been named the top college for graduate outcomes several years in a row having tied with Harvard University and Yale University. Duke also has been recognized as one of the top three university employers, along with Stanford University and Harvard University.