What the Public Knows — In Pictures, Words, Maps and Graphs April 28, 2015 · Leave a Comment The latest Pew Research Center News IQ survey finds that, nearly half a century after the death of Martin Luther King Jr., an overwhelming majority of Americans (91%) are able to identify the civil rights leader from his picture. CONT. Pew Share:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to print (Opens in new window)