Stephen Hawking

In this Feb. 25, 2012 photo, professor Stephen Hawking poses beside a lamp titled "black hole light" by inventor Mark Champkins, presented to him during his visit to the Science Museum in London. Hawking, whose brilliant mind ranged across time and space though his body was paralyzed by disease, died this morning, March 18, 2018, a University of Cambridge spokesman said. He was 76. (Anthony Devlin/PA via AP)