Griffith Park Observatory, trip to the moon, 1953.
Caption slip reads: "Photographer: Miller. Date: 1953-05-25. Reporter: Harmon. Assignment: Moon trip. Dr. Dinsmore Alter receives congratulations of preview audience on sixth annual moon trip, Griffith Park. 'Space Cadet' Harold Garb, 18, of South Pasadena, attends moon trip garbed out in latest equipment".