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Ian Allingham Magnus

Emeritus professor of photobiology Institute of Dermatology, London (b 1920; q Cambridge/St Thomas' Hospital 1944; MA, MD, FRCP), d 13 February 2006. 
 
Ian Magnus transformed clinical photobiology from idea to reality. After being registrar in dermatology at Guy's Hospital in 1948 he moved into research at St John's Institute of Dermatology, London. He then ran the embryonic Photobiology Unit, studying in particular the cutaneous porphyrias and discovering erythropoietic protoporphyria in 1960. Moving into the broader field of the so-called idiopathic photodermatoses he spawned in the United Kingdom the new concept of clinical photobiology, which has since been enthusiastically carried forward by the many to whom he was mentor. In retirement, Ian enjoyed many other interests. He was a patron of several musical institutions, and supported many charities, particularly relating to medicine and world development. He leaves a wife and five children.