Dr Daniel J Boorstin, the 12th Librarian of Congress, explores how the USA became the superpower it is today, in his Reith series entitled America and the World Experience.
1/6 Dr Daniel J Boorstin considers the importance of an adventurous spirit for exploration.
First broadcast: 12 Nov 1975
6/6 Dr Daniel J Boorstin explains the progressive achievements of exploration.
Thu 18 Dec 1975 09:00 BBC Radio 4
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