Marlan O. Scully holds joint appointments at Texas A&M and Princeton Universities. He is a member of the National Academy of Science and the Max-Planck-Gesellschaft. During the course of his life work on the foundations and applications of quantum mechanics, he has come to know many of the pioneers in the field and has collected biographical material on them, which R. Scully has woven into this book.

Robert J. Scully is a heavy equipment diesel mechanic living and working in Irving, Texas, where he is employed by the Caterpillar Corporation. His academic connections include the University of New Mexico and the University of Texas at Dallas. He was a tank diesel mechanic in the marine corps from 1988 to 1993. Robert Scully writes biographies for the National Academy of Sciences, including one on William Hewlett of the Hewlett Packard Corporation and one on quantum physicist Leonard Mandel.