After Jean Auguste Dominique Ingres (1780-1867) Feuille de quatre portraits: Katherine Anne (North) Lady Glenbervie, Sylvester (Douglas) Lord Glenbervie, The Honorable Frederic Sylvester Douglas and Frederic (North) Earl of Guildford Lithograph, circa 1815 - 20, printed by C. Hullmandel, London Subject: 46.4 x 36.2 cm Literature: Delteil 3, 2, 4, 5 Charles Joseph Hullmandel (1789–1850) was born in London to French parents. He trained as an artist, and after meeting Senefelder in Munich in 1817 (Senefelder is known as the inventor of lithography), he opened a printing press in London in 1818. He was the major lithographic printmaker in England of the day