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| | Chester Carlson |
 | | Trained in physics, Chester Carlson was unable to find work in that field, and instead worked at Bell Telephone until he was laid off during the Great Depression. |
 | | On 22 October 1938, Carlson scribbled the date and the word 'Astoria' on a microscope slide, and with a blast of light and a dusting of chemicals, produced a legible copy. |
 | | And the inventor, Mr Carlson, retired at the age of 39, became a multi-millionaire and philanthropist, and quietly gave over $100M to charitable causes in his lifetime, including Cal Tech, the United Negro College Fund, and assorted pacifist, civil rights, and Buddhist organizations. |
| www.nndb.com /people/138/000165640 (328 words) |
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