Thread: noirish Los Angeles
View Single Post
  #20405  
Old Posted Mar 22, 2014, 4:42 PM
Retired_in_Texas Retired_in_Texas is offline
Registered User
  
Join Date: Aug 2013
Posts: 219
Quote:
Originally Posted by CityBoyDoug View Post
One can only conclude that the YELLOW light was a great invention in traffic control lights. The concept boggles the mind. Who was that genius?
According to Wikipedia it was the 1920 invention of a Detroit police officer named William Potts.
Reply With Quote