Complex sentence: The soldier was later found to be Cpl. Harlon Block and he had died in less than a week after the photo, shot by photographer Joe Rosenthal, was taken of the famous photograph of the raising of the flag.
Split into simpler sentences: The soldier was later found to be Cpl. Harlon Block and he had died in less than a week after the photo. Shot by photographer Joe Rosenthal, this photo was taken of the famous photograph of the raising of the flag.