Columbia University exhibition retells the story of America by foregrounding 'black genius'
Featuring archival documents, vintage images and contemporary art, 20 and Odd aims to correct a narrative about a nation's power and identity
From lantern slides to racist caricatures, the Walker showcases Theaster Gates the collector
Chicago artist strives for a poetic “resurrection” of African American stories in a solo show in Minneapolis
In the rescued Johnson archive, poignant images from black American history
How four institutions swooped in to acquire four million images