Cleveland inventor Garrett A. Morgan, a son of former slaves, had a gift for inventing life-saving devices, including firefighter gas masks and the precursors of modern traffic lights.

Lady Gaga: Modern Beekeeper or Weird Gas Mask Wearer? The "G.U.Y." singer tries to protect herself from a bizarre, unknown enemy in this plastic face cover By JJ Moore Mar 24, 2014 3:00 PM ...

Shelton, Conn.-based Modern began making the shields recently and already is scaling up to production of more than 1 million per day, President Bing Carbone said in a March 23 email to Plastics News.