Charles Stewart Vane-Tempest-Stewart, 6th Marquess of Londonderry

Charles Stewart Vane-Tempest-Stewart, 6th Marquess of Londonderry KG, GCVO, PC, DL, JP (16 July 1852 – 8 February 1915), styled Viscount Castlereagh between 1872 and 1884, was an Anglo-Irish Conservative politician, landowner and benefactor

Chairman of the London School Board 31 October 1895 - 2 December 1897.

More information on the Wikipedia page.