Rubincam's collection of biographical (and autobiographical) materials on the life of John Aloysius O'Keefe, an astronomer with NASA's Goodard Space Flight Center and earlier, a geodesist with the Army Map Service. Includes an article written by Rubincam, "An Astronomer Looks Inward," correspondence, photocopies of news clippings, reprints of articles, newsletter articles, tributes, obituaries, etc. Additions include reminiscences by Rubincam and additional articles, emails, letters to and from O'Keefe and other friends.