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“[Professor] Bragg [asserts that] In sodium chloride there appear to be no molecules represented by NaCl. The equality in number of sodium and chlorine atoms is arrived at by a chess-board pattern of these atoms; it is a result of geometry and not of a pairing-off of the atoms.”
― Henry Edward Armstrong

“If truth prevails, the contributions of a courageous physician and a brilliant engineer to the conquest of waterborne disease will still be remembered in another hundred years.”
― Michael J. McGuire, The Chlorine Revolution: Water Disinfection and the Fight to Save Lives

“There can be no doubt that the development of a practical method of water disinfection during the last two years marks an epoch in the art of water purification.”
― Charles-Edward A. Winslow