In 1983, Armet Francis became the first Black photographer to have a solo exhibition at The Photographers’ Gallery, in London. The exhibition was titled “The Black Triangle”—its three points being Africa, the Americas, and Europe. Francis was exploring the legacy of the transatlantic slave trade by capturing African people across the diaspora, in settings ranging from fashion shoots to the London tube. The idea of “the Black triangle” has been a guiding concept for Francis, and over his 40-year career he’s photographed moments of Black joy, civil protests, and well-known figures from Bob Marley to Angela Davis. A new exhibition at the Autograph—which Francis, now 78, co-founded in 1988—showcases the artist’s arresting body of work. —Paulina Prosnitz