Photographs of Louis Armstrong, Sarah Vaughn, Charlie Parker, Frank Sinatra, Duke Ellington, Art Tatum, Billie Holiday, Thelonious Monk, and Ella Fitzgerald and Dizzy Gillespie (pictured) are featured in this new exhibition of pictures by former Washington Post jazz columnist William Gottlieb. The photographer and journalist discusses his appropriately titled book, The Golden Age of Jazz, and the way these classic shots came about (Gottlieb often had to bring his camera along on assignments simply because a photographer couldn’t accompany him). The U.S. Postal Service thought so highly of the work that four stamps from the recent series honoring jazz artists were based on Gottlieb’s photographs. Lecture is at 6 p.m. at the Kennedy Center’s Performing Arts Library; the exhibition runs to Feb. 29. FREE. (202) 707-3685. (Christopher Porter)