Gorton did not want to continue receiving advice from the long - serving departmental secretary Sir John Bunting .
Gorton created a new Department of the Cabinet Office for Sir , appointing Lenox Hewitt as Secretary of the Prime Minister 's Department in March .
Gorton did not want to continue receiving advice from the long - serving departmental secretary Sir John Bunting , and he created a new Department of the Cabinet Office for him , appointing Lenox Hewitt as Secretary of the Prime Minister 's Department in March .