Vintage Chicago Tribune: Inventions and innovations by Black Chicagoans

Percy Julian, right, is joined by his former student Arthur Magnani to watch the manufacturing progress of a hormone product in a tank at the Glidden Co. plant in Chicago in 1947. Julian had taught Magnani chemistry at DePauw University. (AP)

Here’s a look back at the lives and inventions of just a few of the Black men and women from the Chicago area who have patented their creations.

Chicago Tribune