Granville Woods

Born: 1856
Birthplace: Columbus, Ohio

Railroad telegraph—A prolific inventor, Woods developed the railroad telegraph, a device that transmitted messages between moving trains. Prior to its creation, moving trains were unable to communicate with each other or with rail stations.

Died: 1910

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

Robert R. Williams, Jr. The National Inventors Hall of Fame Steve Wozniak