Miller was a psychology professor at the
College of William and Mary in Williamsburg, Virginia from 1925 to 1928, and at
Bucknell University in Lewisburg, Pennsylvania from 1930 to 1935, where he also served as the dean of students. During his tenure as associate director, Miller began planning for the education of returning
World War II veterans—even before the war ended. Together with
John S. Allen, he implemented the Associated Colleges of Upper New York (ACUNY), a temporary college system for the State of New York to meet the higher education needs of returning veterans. The
Florida Board of Control selected Miller to be the fourth president of the
University of Florida in Gainesville, Florida in 1947, succeeding the retiring
John J. Tigert. During his time as president, student enrollment swelled with returning World War II veterans and their spouses and as a result of the educational benefits available to veterans from the
G.I. Bill. Miller's administration managed the increase in the size of the student body from approximately 8,700 to over 12,000 in six years, and oversaw the transition of the formerly all-male institution into a
coeducational university. to build new student residential, academic and administration buildings. The cities of Jacksonville, Miami and Tampa wanted the new medical school, too. The legislature appropriated $5 million for construction of the new medical sciences building in 1953, As part of the centennial, the university began construction of
Century Tower, the iconic landmark of the Gainesville campus. , the medical-educational complex of the
University of Florida located on its Gainesville, Florida campus. It encompasses the university's teaching hospital and colleges of medicine, nursing, dentistry and pharmacy. == Death and legacy ==