Slayton, Deke2018-12-032018-12-031967-08-02https://hdl.handle.net/2152.3/10792Correspondence from Deke Slayton of NASA to William Thornton regarding selection into the Scientist/Astronaut Training Program of the Manned Spacecraft Center.Astronaut SelectionDeke SlaytonWilliam ThorntonNASACorrespondenceSpace Medicinebiographical