Lord Melchett - a juniour government whip at 26 . Lord Melchett , who has been chosen by Mr Wilson to be a juniour government whip in the House of Lords , and Lord in Waiting . Lord Melchett will be the youngest member of the government . His special responsibility will be environmental affairs and he already has an office in the Department of the Environment where he is to be number two spokesman in the Lords under Baroness ( Alma ) Birk . 31 October 1974