Jeremy Bernstein is professor emeritus of physics at the Stevens Institute of Technology in Hoboken, New Jersey. He was a staff writer for the New Yorker from 1961 to 1995. He is also a fellow of the New York Institute for the Humanities. He has held appointments at the Institute for Advanced Study, Brookhaven National Laboratory, CERN, Oxford, the University of Islamabad, and the École Polytechnique. He has written some fifty technical papers and several technical monographs, including Kinetic Theory in the Expanding Universe, An Introduction to Cosmology, Secrets of the Old One, and Quantum Leaps. In addition, he has written fourteen books on popular science and mountain travel.