George Parker Bidder could do stupendously difficult arithmetic in his head

George Parker Bidder was born with a surprising gift: He could do complex arithmetic in his head. His feats of calculation would earn for him a university education, a distinguished career in engineering, and fame throughout 19th-century England. In this week's episode of the Futility Closet podcast, we'll describe his remarkable ability and the stunning displays he made with it. — Read the rest