Donald A. Hall Estate Collection
Charles A. Lindbergh Letter Authorizing Public Use to Establish Historical Facts - Page 4 (1939)

Page 4 of the December 4, 1939 letter from Charles A. Lindbergh to Donald A. Hall Sr. Lindbergh unequivocally confirms: "To the best of my knowledge, Ryan had nothing whatever to do with the operation of the factory at the time the 'Spirit of St. Louis' was being built, or with the design or construction of the plane." Concluding with formal authorization, Lindbergh writes: "Please use this letter with discretion, but you are welcome to show it wherever you feel it is necessary to establish the facts of which I have written," providing Hall with an unassailable legal charter to defend his engineering legacy.