When he was preparing for a big fight, no one trained harder than Muhammad Ali.
This image shows Ali boxing underwater whilst in training.
This picture was taken by the photographer Flip Schulke which he presented this black and white picture in frame to his assistant who was working along side him at the time of the photo.
The back of the picture has a signed note stating:
” To Edgar,
Made from original 35mm B/W
Neg under my supervision
*Signature of Flip Schulke*”