Supreme Court Chief Justice Roger B. Taney made the pro-slavery ruling in the 1857 Dred Scott Case that deemed blacks weren't citizens of the United States. Description from biography.com. I searched for this on bing.com/images
Roger Brooke Taney (March 17, 1777 – October 12, 1864) was the fifth Chief Justice of the United States, holding that office from 1836 until his death in 1864. He was the first Roman Catholic to hold that office or sit on the Supreme Court of the United States. He was also the eleventh United States Attorney General.