
Language
en
Duration
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Publisher of text edition
Project Gutenberg
Credits
Produced by Melissa McDaniel and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)
Release date
2013-06-22
Rights
Public domain in the USA.

1868–1955
A gifted experimental physicist with a showman’s flair, he helped open up the worlds of ultraviolet and infrared photography. His work in optics, spectroscopy, and hands-on invention made him one of the most colorful scientific figures of his era.
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