Series exploring the development of the science of psychology during the 20th century
Claudia examines the Hierarchy of Needs, part of Abraham Maslow's theory of motivation.
James Pennebaker proved that simply writing about how you feel can improve your health.
By insisting on observation in nurseries, Anna Freud promoted understanding of children.
Fri 26 Apr 2013 11:00 BBC Radio 4
BBC © 2013 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.
History magazine programme. 
