John Hassall (1868–1948); poster designer.
John Hassall (1868–1948; Oxford DNB); poster designer. Published illustrations for children's books and in periodicals including the Daily Graphic.
Oxford Dictionary of National Biography Entry
Lafayette Photography Studio. Portrait of John Hassall. Photograph. 1909. https://en.wikipedia.org/wiki/John_Hassall_(illustrator)#/media/File:John_Hassall_(1868-1948).jpg.
“Hassall, John,” The History of the Society of Authors, 1884–1914, accessed August 10, 2022, https://historysoa.com/people/Hassall-John.