Hollow Square lecture series, 1966-1978

(191) Hollow Square, photo show, March 1966; (402) Line Islands Experiment, Hollow Square, presentation of American flag to Walter Orr Roberts by William Lanterman, June 1, 1967; (412) Jeannette Piccard, Hollow Square, tour, June 23, 1967; (789B) 1948 V-2 #40 rocket pictures used for Hollow Square, May 3, 1968; (1233) Henry van de Boogaard, speaker, conducting Hollow Square, February 27, 1968; (2563) Hollow Square, David Leslie, September 20, 1974; (2672) Hollow Square, Michael Hart, November 15, 1974; (2828) Hollow Square, Margaret LeMone, Global Atmospheric Research Programme [GARP] Atlantic Tropical Experiment [GATE], March 7, 1975; (2896) Hollow Square, Dimitri Mihalas, April 11, 1975; (2908) Hollow Square, Hans Krimm, April 18, 1975; (2919) Hollow Square, Michael [Mickey] Glantz, April 25, 1975; (3085) Hollow Square, Richard Scorer, July 25, 1975; (3152) Hollow Square, Michael [Mickey] Glantz, August 29, 1975; (3174) Hollow Square, John Holdren, September 18, 1975; (3450) Hollow Square, Jack Eddy, April 23, 1976; (3670) Hollow Square, Robin Stebbins, August 13, 1976; (3875) Hollow Square, Kevin McKenna, February 4, 1977; (3957) Hollow Square, Ed Martell, March 18, 1977; (4025) Hollow Square, David Leslie, Queen Mary College, University of London, Nuclear Energy: The Environmental Debate, April 29, 1977; (4370) Hollow Square, Walter Orr Roberts, January 6, 1978; (4508) Hollow Square, Gordon Newkirk, March 24, 1978; (4530) Hollow Square, Edward Martell, April 7, 1978.