Photo Details: Heidelberg castle. The ruins of the thirteenth century neo-gothic castle add to the fairy-tale setting that inspired Mark Twain, Goethe, Turner, Schumann and Brahms. Heidelberg, Germany. S.Arber..
Text Details: Hierarchy of needs. Extracts from an article by George Norwood, about the hierarchy of needs from the book 'Motivation and Personality' by Abraham Maslow. Abraham Maslow.