Colin O'Brien (8 May 1940 – 19 August 2016) was a British street photographer.[1][2][3][4][5] He began documenting life in London in the 1950s and continued to do so for over 60 years, leaving behind a photographic archive of around half a million negatives.[1] His notable publications are London Life (2015)[1][6] and Travellers' Children in London Fields (2013).[1]