Nov 5, 2004 (Morning Edition) — Historian Harold Evans talks about great inventions by Americans. Evans' book, They Made America, profiles well-known inventors, and some obscure geniuses -- the inventors of the gas mask, the credit rating and the retail franchise. Hear Evans and NPR's Steve Inskeep.
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Book Looks at Inventors and Obscure Geniuses
Nov 5, 2004 (Morning Edition) — Historian Harold Evans talks about great inventions by Americans. Evans' book, They Made America, profiles well-known inventors, and some obscure geniuses -- the inventors of the gas mask, the credit rating and the retail franchise. Hear Evans and NPR's Steve Inskeep.Missing some content? Check the source: NPR
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