At least as judged by some of the most renowned representatives of the species, men in dance have had fraught and convoluted inner histories. From Diaghilev and Nijinsky to Erik Bruhn, Nureyev, Antony Tudor, Balanchine and Jerome Robbins (to mention just some of the dead ones), they have run against the grain. You might put down the tempestuous nature of their lives to “artistic temperament.” It’s worth noting that it was often related to questions of gender identity. Or perhaps their common thread was simply (and most complexly) outsized desire, an obsessive passion for more.