ocr: Darrell Gulin Gunter Marx Photography George Hall Hanford Museum of Science and Industry Hulton Deutsch Collection Istituto e Museo di Storia della Scienza Pat. Jerrold/Papillo Seth Joel Kea Publishing Services Ltd. Martin Kemp and Margaret Walker Layne Kennedy Kit Kittle Malcolm Kitto/Papillo Dan Lamont David Lees Charles and Josette Lenars George Lepp Erich Lessing/Art Resource, New York Barry Lewis Library of Congress, Washington, DC W. Wayne Lockwood, MD Craig Lovell Mansell Collection Pietro C. Marani Dennis Marsico Francis G. Mayer
