1950–1955: The County Borough of Derby wards of Alvaston, Arboretum, Castle, Dale, Litchurch, Normanton, Osmaston, and Peartree.

1955–1974: The County Borough of Derby wards of Alvaston, Arboretum, Castle, Dale, Litchurch, Normanton, Osmaston, and Peartree, and the parish of Littleover in the Rural District of Shardlow.

1974–1977: The Borough of Derby wards of Alvaston, Arboretum, Babington, Chellaston, Litchurch, Littleover, Normanton, Osmaston, and Peartree.

1997–2010: The City of Derby wards of Alvaston, Babington, Blagreaves, Kingsway, Litchurch, Littleover, Mickleover, Normanton, Osmaston, and Sinfin.

He served as a Cabinet minister in the post-war Attlee government, and was awarded the Nobel Peace Prize in 1959 for his campaigning for disarmament.