Add to ORKG3 images. Southern California science fair, 3 April 1957. Bob Root -- 15 years (South Gate High School scientist); John Butler -- 10 years; Fredrica Nolte -- 14 years.; Caption slip reads: "Photographer: Snow. Date: 1957-04-03. Reporter: Farrell. Assignment: Southern California Science Fair. 17-18: Bob Root, 15, South Gate High School scientist exhibits his walking and talking robot which is remote controlled. 42-44: John Butler, 10, looks over outer space exhibit made by Virginia Ann Lewis, Fremont Junior High School. 47-48: Fredrica Nolte, 14, Northridge Junior High student observes oil display made by Billy Fox, of Monroe Junior High"