| 1. | US Army Signal Corps, courtesy of Harry S. Truman Library. |
| 2. | Courtesy of Douglas Stuart. |
| 3. | National Archief/Spaarnestad Photo/Het Leven/Fotograaf onbekend. |
| 4. | Bayerische Staatsbibliothek München |
| 5. | Getty Images. |
| 7. | Malcolm G. Dennison Photograph Collection, No. MGD-003, as posted on www.JEPeterson.net <file://www.JEPeterson.net>. |
| 8. | AFP/Getty Images. |
| 9. | Doug Pensinger/Getty Images. |
| 10./11. | The Estate of Alan Davidson/Jennifer Davidson. |
| 12. | Michael Rougier/Time and Life Pictures/Getty Images. |
| 13. | Courtesy of Jay Smith, stamp dealer, www.JaySmith.com <file://www.JaySmith.com>. |
| 14. | Hulton Archive/Getty Images. |
| 16./17. | The Principal and Fellows of Somerville College, Oxford. |
| 18./19. | Courtesy of Lorna-Jane Winn. |
| 20. | Dmitry Kostyukov/AFP/Getty Images. |