From 1955 to 1956 after receiving a Rockefeller Grant he undertook field work in Africa , Pakistan and India .
He was a Fulbright professor at Fuad University in Cairo from 1951 to 1952 .
From 1955 to 1956 after receiving a Rockefeller Grant professor undertook field work in Africa , Pakistan and India .
He was a Fulbright professor at Fuad University in Cairo from 1951 to 1952 .