Colin Ford , keeper of film and photography at the National Portrait Gallery. gives a reassessment of the work of photographer Andre Kertesz. now 85. and reflects on the way in which he instigated almost every important movement in 20th-century photographic art.
(A retrospective exhibition of the work of André Kertesz is to be seen at the Serpentine Gallery, Kensington Gardens, London, from 29 December until 10 February 1980)