Energy
Vaclav Smil
Renaissance Art
Tom Nichols
Astronomy
William H. Waller
The Palestine-Israeli Conflict
Dan Cohn-Sherbok & Dawoud El-Alami
Humanism
Peter Cave
Biodiversity
John Spicer
Imperial China
Peter Lorge
The Beat Generation
Christopher Gair
Philosophy of Science
Geoffrey Gorham
NATO
Jennifer Medcalf