Alexander Graham Bell

Summary

Edwin Grosvenor writes of Bell's other extraordinary inventions: the first transmission of sound over light waves, metal detector, first practical phonograph, and early airplanes, including the first to fly in Canada. He also examines Bell's humanitarian efforts, including support for women's suffrage, civil rights, and speeches about what he warned would be a "greenhouse effect" of pollution causing global warming.

©2016 Edwin S. Grosvenor and Morgan Wesson (P)2017 HighBridge, a division of Recorded Books