Acknowledgements

This course was written by Derek Neale.

Except for third party materials and otherwise stated in the acknowledgements section, this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] .

The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this unit:

Figures

Figure 2 © The Open University/Rory Carnegie (Pears)/Getty Images: Anita Schiffer-Fuchs (Duncker)/J Vespa (Garland)

Figure 5 © The Open University/Corbis Images/Hulton-Deutsch Collection

Figure 10 © Courtesy Professor Fred D’Aguiar

Figure 12 © The Open University/Corbis Images/Bob Adelman

AV

Research © The Open University/Alex Garland/Tim Pears/Patricia Duncker