(b Eugene, Ore., 3 Aug. 1930)
US teacher, writer, and editor. He studied at the University of Oregon and Northwestern University. He was associate editor of Ballet Review (1967–78), and contributor to Ballet Today, Dance Now, and Dancing Times. In 1977 he was founder (with J. Anderson) of Dance Chronicle which he continued to co-edit until 2008. He was also associate editor of the International Encyclopedia of Dance (New York, 1998) and editor of The Royal Swedish Ballet (London, 1999). He has also lectured widely on dance history.