At the time of Frankl's death in 1997, Man's Search for Meaning had sold more than 10 million copies in twenty-four languages. A 1991 reader survey by the Library of Congress and the Book-of-the-Month Club that asked readers to name a "book that made a difference in your life" found Man's Search for Meaning among the ten most influential books in America.

Born in Vienna in 1905 Viktor E. Frankl earned an M.D. and a Ph.D. from the University of Vienna. He published more than thirty books on theoretical and clinical psychology and served as a visiting professor and lecturer at Harvard, Stanford, and elsewhere. In 1977 a fellow survivor, Joseph Fabry, founded the Viktor Frankl Institute of Logotherapy. Frankl died in 1997.

Harold S. Kushner is rabbi emeritus at Temple Israel in Natick, Massachusetts, and the author of several best-selling books, including When Bad Things Happen to Good People.

William J. Winslade is a philosopher, lawyer, and psychoanalyst at the University of Texas Medical School in Galveston.