Correspondence between Dr. Cone and John Hanberry, Beckett Howorth, G. Ronald Forbes, Leo Davidoff (includes group photo of 1950 Society of Neurological Surgeons), J.J. Dill Ultra-Violet Co., E.L. Gage, Bendt Broager, Lee Hadley, W. James Gardner, Paul Brucy, Myrtle Gottselig, W.L. Coke, Allan Fleming, Robert Graves, John Dunlop, E.L. Harrington, F.R. Bradley, Erich Baurereisen, W.H. Bickel, C.M. Drury, C.H. Butterworth, E.W. Archibald, Roscoe Graham, John Hatfield, G.T. Hamilton, DuPont Chemical Company, J.P. Brannen, R.H. Allen, W.W. Francis, D. Hughes.