Laban's The Mastery of Movement on the Stage, first published in 1950, quickly came to be accepted as the standard work on his conception of human move-ment. When he died, Laban was in the process of preparing a new edition of the book, and so for some time after his death it was out of print. That a second edition appeared was solely due to the efforts of Lisa Ullmann, who, better than any other person, was aware of the changes that Laban had intended...