Who remained the Governor General and also the Prime Minister of Pakistan?

Who remained the Governor General and also the Prime Minister of Pakistan?

پاکستان کے گورنر جنرل اور وزیراعظم کون رہے؟
Explanation

Khawaja Nazimuddin served as both the Governor-General and Prime Minister of Pakistan.

He was Governor-General from 14-09-1948 To 16-10-1951.

He was Prime Minister from 17-10-1951 To 17-04-1953.