J. L. Heilbron, formerly Professor of History and the Vice Chancellor at the University of California, Berkeley, is a Senior Research Fellow at Worcester College, University of Oxford. He was awarded the George Sarton Medal by the History of Science Society in 1993 for his contributions to the field.
Sean Runnette, a multiple AudioFile Earphones Award winner, has also produced several Audie Award-winning audiobooks. His film and television appearances include Two If by Sea, Copland, Sex and the City, Law & Order, Third Watch, and lots and lots of commercials.