William Henry Fox Talbot, The

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Art exhibits structured around a collector’s choices are usually risky. Will the collector’s aggregations of art produce intellectual and aesthetic coherence? It remains to be seen whether Posing for the Camera: Gifts from Robert B. Menschel at the National Gallery of Art breaks the mold, but the roster of photographers holds out some promise, as does the premise: an examination of how the act of posing for a portrait changed after the invention of photography. The exhibit stretches from the early 1840s through the 1990s—a challenging span to encompass within just 60 works. But the list of artists is impressive—Lewis Carroll, Edward Weston, Man Ray, Robert Frank, Timothy H. O’Sullivan, and Brassaï—and the inclusion of scientific, commercial, and amateur photography is inspired. Read more>>> Posing for the Camera: Gifts from Robert B. Menschel on Sept. 17 to Jan. 28, 2018 at the National Gallery of Art West Building. Free(Louis Jacobson)

EAT THIS

Chefs for Equality is tonight at Dock5 at Union Market. The annual event benefitting the Human Rights Campaign puts top chefs and mixologists in one room for a gala with more personality than most. Tickets ($200, includes after party), are still available for the evening that kicks off at 5:30 p.m. More than 120 restaurants are participating including GarrisonLe DiplomateTiger ForkThe RoyalCompass RoseColada ShopJoselito Casa de Comidas, and more. Chefs for Equality, chefsforequality.org. (Laura Hayes)

OH AND ALSO

Grammy-winning singer-songwriter Ed Sheeran takes over Capital One Arena for the first of his two-night stop in D.C. 7:30 p.m. at 601 F St. NW. $96-$97.

Local crime author and screenwriter George Pelecanos, whose new HBO show The Deuce premiered this fall, stops by Mt. Pleasant Library to discuss his work. 7 p.m. at 3160 16th St. NW. Free. 

Spend an evening with Randy Newman as he performs at The Birchmere. 7:30 p.m. at 3701 Mt. Vernon Ave., Alexandria. $93.75.

Austrian experimental violinist Mia Zabelka is teaming up with Boat Burning bandleader Andras Fekete for a special collaborative set entitled“Music For Amplified Violin, Guitar and Analog Tape” at Rhizome tonight, with guests Rootless and Jon Camp. 8 p.m. at 6950 Maple Ave. NW. $10. (Matt Cohen)