History: MLK taking a knee in Chicago, 1966. Can you help me identify the others in the photo? (1200x630)

https://i.redd.it/ak5wzlvxb4oz.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/72gnpf/mlk_taking_a_knee_in_chicago_1966_can_you_help_me/?utm_source=ifttt