(b New York, 12 Dec. 1946)
US critic and writer on dance. She studied Comparative Literature at City University of New York and from 1985 has been a freelance critic, feature writer, and contributing editor of Dance Magazine; series editor of Studies in Dance History (1992–8); one of America's leading dance historians. She is the author and editor of many books on dance including Diaghilev's Ballets Russes (1989, reprinted 1998), André Levinson on Dance: Writings from Paris in the Twenties (editor, with Joan Acocella, 1991), Rethinking the Sylph: Essays on the Romantic Ballet (editor, 1997), José Limón: An Unfinished Memoir (editor, 1998), Dance for a City: Fifty Years of the New York City Ballet (editor, with Eric Foner, 1999), The Ballets Russes and Its World (editor, with Nancy Van Norman Baer, 1999), and Legacies of Twentieth-Century Dance (2005). She has also translated The Diaries of Marius Petipa (1992). She is Professor of Dance Studies at Barnard and in 2005 was elected Fellow to the American Academy of Arts and Sciences.