University alumni, Sigma Chi fraternity brothers, members of the Indiana Society of Chicago, and golf tournaments. Other interests Ade spent the summer months at his Hazelden estate in Newton County, Indiana, and vacationed during the winter months at a rented home in Miami, Florida. He was also an avid traveler who made trips around the world, as well as multiple trips to Europe, the West Indies, China, and Japan. In addition to his frequent travels, Ade enjoyed horse racing and golf. Ade, who never married, corresponded regularly with a wide circle of friends and was active in literary, civic, and political organizations. In 1905 he was a cofounder with Edward M. Holloway and John T. McCutcheon of the Indiana Society of Chicago, a literary organization. Ade also served as a delegate to the Republican National Convention in Chicago in 1908. Ade was a longtime supporter of Purdue University and Sigma Chi,his college fraternity. He served as national president of Sigma Chi in his later years and as a member of Purdue's board of trustees from 1909 to 1916. Ade was also a member of the Purdue Alumni Association. Ade donated funds for construction of Purdue's Memorial Gymnasium and its Memorial Union Building. In 1922, Ade and David Edward Ross, another Purdue alumni, bought of land for use as the site of a new football stadium at Purdue's campus in West Lafayette, Indiana. In addition, Ade and Ross provided financial support construction of the facility, which was formally dedicated on November 22, 1924, and named Ross–Ade Stadium in their honor. Ade also led a fund-raising campaign to endow the Sigma Chi mother house at Miami University, where the fraternity was originally established. Ade also authored the Sigma Chi Creed in 1929, which is one of the central documents of the fraternity's philosophies. In his later years Ade was a member of National Institute of Arts and Letters (American Academy of Arts and Letters) and an executive committee member of the Authors Guild. Purdue University awarded Ade an honorary degree in the humanities in 1926 and Indiana University awarded him an honorary law degree in 1927. During the early 1940s, he also served as president of the Mark Twain Association of America. Ade's activities slowed after he suffered a stroke in June 1943 that left him partially paralyzed and a series of heart attacks in 1944. Death and legacy Ade fell into