How was Max Ferdinand Perutz awarded the Noble Prize?

Name: Max Ferdinand Perutz. 
Country: England.
Date of Birth: 19 May 1914.
Date of Death: 6 February 2002.
The subject of Study: X-ray diffraction hemoglobin.
Noble Prize Year: Nobel Prize for Chemistry in 1962 for his research on the structures of haemoglobin and myoglobin..