[1] She has travelled extensively in Africa where she worked as an interior designer and taught in a government school.
[2] She married Mr Shelley Platts in August 1952 at Felpham, near Bognor Regis and has four children.
[3] She was head of the art department at Farrington's School Chislehurst, London from 1969 to 1986, also lecturing in further education and at field study centres.
[2] Horsfield was a member of the Women's International Art Club from 1957 to 1969, serving on their executive, selection and hanging committees in the early 1960s.
[4] The group also included Valerie Thornton, Renate Meyer, Michael Lewis, Ken Symonds, Philip Le Bas and Peter Riches.