![oil on canvas](/sites/default/files/styles/signpost_image/public/teaser-images/john-armstrong-2-bmagg-k4467.tiff%20%282%29.jpg?itok=k0HoxeyA)
![oil on canvas](/sites/default/files/styles/signpost_image/public/teaser-images/john-armstrong-2-bmagg-k4467.tiff%20%282%29.jpg?itok=k0HoxeyA)
Iain Macnab (1890-1967) was the founder of the Grosvenor School of Modern Art which he set up at his house in 33 Warwick Square, Pimlico, London with Claude Flight (1881-1955); among his students were Sybil Andrews, Cyril Power, Lill Tschudi and William Greengrass who are now known for their linocuts.