Time Travel. A History

Acknowledgments

For pointers and discussion I am deeply obliged to David Albert, Lera Boroditsky, Billy Collins, Uta Frith, Chris Fuchs, Rivka Galchen, William Gibson, Janna Levin, Alison Lurie, Daniel Menaker, Maria Popova, Robert D. Richardson, Phyllis Rose, Siobhan Roberts, Lee Smolin, Craig Townsend, and Grant Wythoff, as well as my indefatigable agent, Michael Carlisle, my wise and patient editor, Dan Frank, and, always, Cynthia Crossen.