In 1940, the department was divided with Geoffrey Lloyd and Sir Alfred Faulkner becoming respectively Secretary and Permanent Under-Secretary for Petroleum and David Grenfell and Sir Alfred Hurst respectively Secretary and Permanent Under-Secretary for Mines.
Secretary of State | United States Secretary of State | Home Secretary | United States Secretary of Defense | United States Secretary of the Interior | Secretary of State for Foreign and Commonwealth Affairs | Parliamentary Private Secretary | Foreign Secretary | United States Secretary of the Treasury | Secretary-General | United States Secretary of War | United States Secretary of the Navy | Secretary of State for the Colonies | Colonial Secretary | Chief Secretary | Secretary of State for the Environment | Assistant Secretary of the Navy | Secretary of State for War | Secretary of State for Transport | Secretary of State for Scotland | Secretary | Parliamentary Under-Secretary of State | United States Deputy Secretary of Defense | Secretary of State of New York | Secretary of State for Health | Secretary-General of the United Nations | Secretary of State for the Southern Department | secretary | Parliamentary Secretary | Secretary of State, Scotland |
In 1940, the department was divided with Geoffrey Lloyd and Sir Alfred Faulkner becoming respectively Secretary and Permanent Under-Secretary for Petroleum and David Grenfell and Sir Alfred Hurst respectively Secretary and Permanent Under-Secretary for Mines.