Physician and surgeon specializing in orthopedic medicine practicing in Chicago, Illinois. Collection consists of both loose and bound manuscripts as well as correspondence, photographs, and illustrations relating to John Ridlon's extensive research and writings on orthopedics. Bound volumes comprise: six casebooks (1889-1892); four letterbooks (1873-1903); an autograph manuscript, (undated); a scrapbook of figures and illustrations (undated); three volumes composed of reprint clippings and manuscript notes (undated); and a bound volume of reprints (1888-1923). Also included are 85 additional reprints dating from 1888 to 1935, photographs and illustrations of orthopedic deformities and treatments, and fourteen diplomas from various educational institutions. Correspondents include: R. Osgood, A. Steindler, P. D. Wilson, R. K. Ghormley, J. E. Goldthwait, A. B. Judson, R. W. Lovett, H. W. Orr, S. W. Mitchell, and H. Cushing. Letters also document Ridlon's involvement with two charitable institutions: the Home for Destitute Crippled Children and the Country Home for Convalescent Children. Acquired as part of the History of Medicine Collections at Duke University. Some comments on the principles and practice of Hugh Owen Thomas
