Image Credits:
Rice, D. (1967). Martin Luther King, Jr., half-length portrait, facing left, speaking at microphones, during anti-war demonstration, New York City [Photograph] Library of Congress. https://www.loc.gov/item/94505369/
Free Clip Art. (2018, October 5). A Loveable Female Speaker Cartoon [Illustration (word balloon added)] Wikimedia Commons. https://commons.wikimedia.org/wiki/File:A_Loveable_Female_Speaker_Cartoon.svg