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![oil on canvas](/sites/default/files/styles/signpost_image/public/teaser-images/john-armstrong-2-bmagg-k4467.tiff%20%282%29.jpg?itok=k0HoxeyA)
John David Roberts (1919-1995) was the ony son of the artist William Roberts (1895-1980) and Sarah Kramer (1900-1992), sister of Jacob Kramer, who were married in 1922. He studied physics at University College London, became a poet and guitar scholar.