John Lewis in 1964, the year he turned 24 years old. At the time he was the chairman of the Student Nonviolent Coordinating Committee. The date was April 16, 1964, and John Lewis was speaking to a meeting of the American Society of Newspaper Editors.
This photo is from Marion S. Trikosko of U.S. News and World Report. The photo is part of the archive now in the collection of the United States Library of Congress.