Sonnet (From the Spanish of Plácido)

James Weldon Johnson was an American author, educator, lawyer, diplomat, songwriter, and civil rights activist. Johnson is best remembered for his leadership of the National Association for the Advancement of Colored People (NAACP), where he started working in 1917. In 1920 he was the first black to be chosen as executive secretary of the organization, effectively the operating officer. - Summary by Wikipedia