Acknowledgements

This course was written by Steve Padley.

The material acknowledged below and within this course is Proprietary and used under permission (not subject to Creative Commons Licensing). See terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] .

Grateful acknowledgement is made to the following:

Course image: quattrostagioniBy: quattrostagioni in Flickr made available under Creative Commons Attribution 2.0 Licence.

Figure 1: Copyright ©: Bradley Smith/Corbis.

Figure 2: Copyright ©: Lightworks Media/Alamy.

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