Adm. Alan Shepard, Jr.: A biography and 1991 interview with the first American to go into space.Alan B. Shepard, Jr.: Biographical data provided by NASA.Rear Admiral Alan B. Shepard, Jr: Brief biography provided by the First Flight Society.Shepard: Biography and personal data from Encyclopedia Astronautica.Shepard, Alan Bartlett, Jr.: Brief biography from Fact Monster.StarChild: Alan Shepard: Biography of one of seven men chosen from over 500 candidates to be a member of the first group of astronauts in 1959.Wikipedia - Alan Shepard: Encyclopedia article includes information on the naval and astronaut career of the first man in space.