The editors thank the following persons who contributed information on directors and directing: Nora Beeson, Eric Bentley, Robert Corrigan, Marie-Hélène Dasté, Tamara Daykarhanova, Alexander M. Drummond, John Gassner, Andre van Gyseghem, William W. Melnitz, Donald Oenslager, Kurt Pinthus, Michel St. Denis, Robert Sencer, Lee Simonson, Lee Strasberg, and Samuel M. Waxman.
We are especially grateful to Tyrone Guthrie, Elia Kazan, and Harold Clurman, who allowed us to use unpublished material, and to those other contemporary directors, noted in the text, who permitted us to reprint articles originally published elsewhere.
We want to acknowledge the assistance of the translators cited individually in the text for helping us to make available the material published here for the first time.
We thank Alfred A. Knopf for the use of quotations from The Fervent Years by Harold Clurman, and Harcourt, Brace & World for passages from Moscow Rehearsals by Norris Houghton and The Stage is Set by Lee Simonson, as well as the many publishers who gave their permission, as noted in the text, to reprint from their publications.
Particular acknowledgment is made of the kindness of Lee Strasberg, who put his extraordinary private theater collection at our