Inventing modern America
Inventeurs
Inventions, history
Technological innovations, united states
Industry
United states, history, 20th century
Inventions
Inventors
Biografie
Umschulungswerkstätten für Siedler und Auswanderer
Technology
Biographies
Science
Biography
History
Tells the personal stories of thirty-five American scientists, technologists, and researchers whose inventions have had a significant impact on life in the twentieth century in the areas of medicine and healthcare, consumer products, transportation, energy and the environment, and computing and tele…
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