Amazing American inventors of the 20th century

"Profiles the lives of amazing inventors of the 20th century, including William Lear, Philo Farnsworth, Beatrice Kenner, Gertrude Belle Elion, Gordon Gould, Charles Ginsburg, Robert Shurney, Jack Kilby, Stephanie Kwolek and Lonnie Johnson"--Provided by publisher.

9780329988579
book
Lexile: 
850

Holdings

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