Tariff Commission

• Sir Vincent Caillard, International financier
• Henry Birchenough, Silk manufacturer and special commissioner appointed by the Board of Trade in 1903 to inquire into and report upon the present position and future prospects of British trade in South Africa
• Sir Andrew Noble, 1st Baronet Scottish physicist,
• Sir Charles Tennant, President of United Alkali, businessman
• Sir Alexander Henderson, 1st Baron Faringdon a British financier and Liberal Unionist Member of Parliament.
• Sir Samuel Bagster Boulton, chairman of Burt, Boulton, and Haywood, of London, Paris, Riga, Salzaette, and Bilbao, timber merchants and contractors. He was also chairman of the Dominion Tar and Chemical Company, and of the British Australian Timber Company.
• Alfred Gilbey, younger brother of Walter Gilbey, wine and spirits dealer
• Vicary Gibbs