Alexander Graham Bell - telephone, The Wright Brothers - airplane, Louis Braille - Braille alphabet for the blind, Bette Nesmith Graham - Liquid Paper (White Out), Jacques Cousteau - underwater exploration (Aqua-Lung), George Washington Carver - peanut butter , Alexander Fleming - penicillin (antibiotic medicine), Hedy Lamarr - frequency hopping spectrum, Thomas Edison - lightbulb, Cai Lun - paper, Ruth Wakefield - chocolate chip cookie, What does the word IMPACT mean? - how something affect us , The impact of: wheel and axle - move heavy things more easily and faster, and allowed for easier trade across longer distances, The impact of: radio - people can listen to news, stories, music, and shows from far away , The impact of: Alexander Flemings in medicine - 1. He invented penicillin (1st antibiotic medicine) that fights gems and helps us get better when sick,

Inventors and their Inventions

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