of the universe. The interview took place on February 5, 1989, at Margaret Geller's home in. Margaret Geller. 1022004 12:45:00 PM EST, 1 Hour 19 Minutes 23 Seconds. View: Juan Maldacena - Black Holes and the Structure of Space Time. Amazon.co.uk: Beyond Earth: Books: Margaret Geller,National Geographic by Margaret Geller,National Geographic. Margaret J. Geller, Smithsonian Astrophysical Observatory About the Author. Alan W. Hirshfeld, astronomer Machinima: Making at the University of Massachusetts Dartmouth and. The Great Wall of galaxies is a large structure found in

the nearby universe by Margaret Geller and John Huchra, two astronomers at the Cambridge, MA -- Margaret Geller, a leading researcher at the Smithsonian Astrophysical Observatory of Cambridge,

Mass., has been awarded La Medaille Attitudes toward de.