One of the hundreds of Indian students who studied in England was Mohandas Karamchand ("Mahatma") Gandhi. This picture was taken towards the end of his stay in Great Britain (1888–1891), where he studied law at the University of London and trained to become a barrister.
Mohandas Karamchand Gandhi (1869–1948), black-and-white photograph, Great Britain 1891, unknown photographer; source: The Vegetarian, 13 June 1891, wikimedia commons, http://commons.wikimedia.org/wiki/File:Gandhi-1891.jpeg, public domain.