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John Hanson Walker was an English Painter.
He was born in 1844 in Bath, the son of a dealer in curiosities. He sat as a model for Lord Frederick Leighton (1830-1896),who encouraged him to become an artist. He attended the Royal Academy Schools and exhibited there from 1872 to 1918. He worked with Leighton in the early 1860s.
Walker became a fashionable society portrait painter. Many of his portraits are held by the National Trust, Derby Museum and Art Gallery and Victoria Art Gallery, Bath. His son,John Hanson Walker, (1874-1946) was a painter of animals subjects.