A teacher leads his students with the black power salute at a Black Panther Liberation School, Dec. 20, 1969 - from our story 'Extraordinary Pictures, Posters and Flyers of the Black Panther Party, 1967-1972' View The Article THE FLASHBAK SHOP Visit the shop Great T-ShirtsDiscover Our 100% Organic Cotton T-Shirts Discover Our PrintsExplore our Prints Shop Editor’s picks Collect our postcards Free Newsletter First Name Last Name Leave this field empty if you're human: Shop our comfy T-Shirts