The largest engineering college in the top 5, Purdue Engineering anchors Purdue University as the âCradle of Astronauts,â from College alumni Neil Armstrong to the first female commercial astronaut, Beth Moses. Other trailblazers include Amelia Earhart, seven National Medal of Technology and Innovation recipients and nine National Academy of Inventors Fellows. Our agricultural and biological engineering programs have been ranked No. 1 for more than a decade, and the College houses the worldâs largest academic propulsion lab and the nationâs first all-digital nuclear reactor.