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).