Swanage couple (c1929)

In 1929, at the age of 22, Helen Muspratt set up a portrait studio in Swanage – and ended up becoming one of the most celebrated photographers of her time.• Helen Muspratt: Photographer is at Pallant House Gallery, Chichester, until 8 May 2016. A book about Muspratt, Face: Shape and Angle by Jessica Sutcliffe, is published by Manchester University PressAll photographs: Helen Muspratt/Estate of the artist