Conversation so far:
Who took the famous photo?
Morris Berman.
When was the photo taken?
September 20, 1964.
What was the photo of?
of the Pittsburgh Post-Gazette.
What was he doing in the picture?
photographed helmet-less, bloodied and kneeling immediately after having been knocked to the ground by John Baker.
Was he injured?
CANNOTANSWER.
What else happened with the photo?
Post-Gazette editors declined to publish the photo.
Why didn't they publish the photo?
failed to see the appeal of the image.
Who did publish the photo?
Life magazine.
When did they publish the photo?
October 2, 1964.

Question: What was the importance of the photo?
Self-contained rewrite: What was the importance of the famous photo of Y. A. Tittle?