Theories of the Universe Author:Paul Thagard, John Archibald Wheeler, Ignazio Ciufolini, Milton K. Munitz, Stephen Hawking Essays: "Conceptual Revolution" by Paul Thagard
"Cosmic Understanding" by Milton K. Munitz
"Gravitation and Inertia" by Ignazio Ciufolini and John Archibald Wheeler
"The Nature of Space and Time" by Stephen Hawking