19 image. Nixon at Caltech, 17 February 1958. Vice President Richard Nixon; Doctor Clark Millikan; Doctor Lee DuBridge; Doctor J.A. Froehlich; Doctor William H. Pickering; R.J. Parks.; Caption slip reads: "Photographer: Mack. Date: 02-17. Reporter: Adler-Harlt. Assignment: Nixon at Caltech. 14/40: Vice President Richard Nixon. 13: Doctor William H. Pickering; Doctor J.A. Froehlich, Saturday Program Director; R.J. Parks, head Jet Propulsion Lab department, guidance and electronic. 3/4: Nixon with Explorer. 80: Caltech students. 81: Grouped around Vice President Richard Nixon on platform on athletic field, holding pix of snow-covered Capital Building in Washington- Doctor Lee A DuBridge, Cal Tech President, on left. 5/6: Vice President Nixon speaking at Caltech".