In the 1930s it employed Baron Greenhill of Harrow.
Baron | Saint-Denis | Harrow School | Harrow | Denis Diderot | William Cecil, 1st Baron Burghley | Saint-Ouen, Seine-Saint-Denis | Denis Leary | baron | Sacha Baron Cohen | Joseph Lister, 1st Baron Lister | Joey Baron | Robert Baden-Powell, 1st Baron Baden-Powell | Henry Brougham, 1st Baron Brougham and Vaux | Denis | Guy Carleton, 1st Baron Dorchester | Seine-Saint-Denis | Claire Denis | William Wallace, Baron Wallace of Saltaire | William Tyssen-Amherst, 1st Baron Amherst of Hackney | Montreuil, Seine-Saint-Denis | London Borough of Harrow | James Mackay, Baron Mackay of Clashfern | Hercules Robinson, 1st Baron Rosmead | Harrow, London | George Brydges Rodney, 1st Baron Rodney | Denis Halliday | Beechcraft Baron | Thomas Seymour, 1st Baron Seymour of Sudeley | Thomas Denman, 1st Baron Denman |
His later years included roles as governor of the BBC and as a director of BAT Industries, Hawker Siddeley Group, Wellcome Foundation, Clerical Medical and General Life Assurance, S.G. Warburg and Leyland International.