Kendall's career at Mayo ended in 1951, when he reached mandatory retirement age. He moved on to Princeton University, where he was a Visiting Professor in the Department of Biochemistry. He remained affiliated with Princeton until his death in 1972. In addition to the Nobel Prize, Kendall received other major awards including the Lasker Award and the Passano Foundation Award. He was awarded honorary doctorates from the University of Cincinnati, Western Reserve University, Williams College, Yale University, Columbia University, National University of Ireland, and Gustavus Adolphus College.