Southern, Samuel2018-07-192018-07-19Unknownhttp://hdl.handle.net/2152.3/9583A handwritten letter from Samuel Southern asking William Thornton and Bob Crippen for a card to be sent to Matthew, a sick boy, who had written to Dr. Thornton about someday becoming an astronaut.Huggy BeardeathDr. William Thorntonsick childSpace MedicineMatthewBob Crippen