50. Malick Sidibe

Malian photographer Sidibe is most noted for his black-and-white photographs of 1960s Bamako. In the following decade, Sidibe turned to studio portraits. His work was mostly unknown outside of Mali until the late 1990s; since then, he has received the Hasselblad Award for Photography in 2003, and the Venice Bienniale's Golden Lion Award for lifetime achievement in 2007-the first to ever be awarded to a photographer. Now in his seventies, Sidibe remains productive. His reworked old portraits, with hand-drawn frames arranged in large circular clusters, were last mounted in 2005 at NYC's Jack Shainman Gallery.

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Above: Untitled (Installation), 1965—2006