He went on to further study at Harvard University ( 1922 -- 23 ) and the University of Ghent ( 1925 -- 26 ) .
Harvard University ( 1922 -- 23 ) is the University of Grenoble ( 1925 ) .
He went on to further study at Harvard University ( 1922 -- 23 ) , the University of Grenoble ( 1925 ) , and the University of Ghent ( 1925 -- 26 ) .