Signed portrait photograph of John Norman Collie (1859-1942). Collie joined Sir William Ramsay (1852-1916) at University College London as Profesor of Organic Chemistry in 1896, and succeeded him as Director of Laboratories in 1913 until his retirement in 1928. Collie's work covered a wide range of fields within organic and physical chemistry. He worked with Ramsay on Argon and Helium, and made the first Neon lamp. Collie was also responsible for the first medical X-ray photograph in Britain. Aside from his scientific work, Collie was a keen mountaineer. Dimensions: 330mm x 290mm.
© Science Museum / Science & Society Picture Library