Figure 3.1: Used by permission from David G. Kanzeg.
Figure 5.6: Adapted from Richard Zallen, The Physics of Amorphous Solids (1983), 12. Copyright Wiley-VCH Verlag GmbH&Co. KGaA. Reproduced by permission.
Figure 6.1: From the New York Times, November 11, 1968, 1. All rights reserved. Used by permission and protected by the Copyright Laws of the United States. The printing, copying, redistribution, or retransmission of this Content without express written permission is prohibited.
Figures 7.7 and 13.11–13.14: Used by permission from Lillian Hoddeson.
Figures 2.2, 3.6a, 4.5, 9.1, 9.4, and 12.3: Public domain.
All other figures: Used by permission from the Ovshinsky Family and the Bentley Historical Library, University of Michigan.