Image acknowledgements
Thanks to the following organisations for permission to use images on this website:
Barbican
Collection of Jill A. Wiltse and H. Kirk Brown III, Denver
John Lewis Partnership
Mitchell Beazley
Royal Air Force Museum Hendon
twentytwentyone
V&A Museum
Whitworth Art Gallery
All other images are from Robin and Lucienne Day Foundation archives.
Images may not be reproduced without prior written permission.
Text copyright
© Lesley Jackson and Paula Day 2014