Gustave Boulanger
Born in Lincoln, England, to a coal merchant and magistrate, Warrener studied at the Lincoln School of Art, where he was awarded the Mayor of Lincoln's gold medal, and a Queen's Prize in the National Art Examinations at South Kensington, before studying at the Slade School of Fine Art, before moving to Paris in 1885 to study at the Académie Julien under Gustave Boulanger and Jules Lefebvre.