The collector Sam Wagstaff, left, and the photographer Robert Mapplethorpe in a 1974 portrait by Francesco Scavullo. (Francesco Scavullo Foundation)

Tall, handsome and rich would be one way to describe Sam Wagstaff, a legendary figure in the international art world of the 1970s and ’80s. Urbane is another. Iconoclastic, certainly. And glamorous, without a doubt. But the word that keeps cropping up in “Black White + Gray,” a new documentary about Mr. Wagstaff by a first-time director, James Crump, that will be shown at the Tribeca Film Festival next week, is “visionary.”  Lire la suite de l'article de Philip Gefter http://www.nytimes.com/2007/04/24/movies/24wags.html?ex=1335067200&en=098d64e7f43e5155&ei=5088&partner=rssnyt&emc=rss