Original: During this time he served as Minister for Education (1959 - 1965), Minister for Industry & Commerce (1965 - 1966), Minister for Labour (1966 - 1969) and Minister for Foreign Affairs (1969 - 1973).
Simplified: During this time he served as: Minister for Education (1959 - 1965), Minister for Industry & Commerce (1965 - 1966), Minister for Labour (1966 - 1969) and Minister for External Affairs (1969 - 1973).