Farewell, Stephen Hawking

Perhaps the world’s most celebrated icon of contemporary science, physicist and author Stephen Hawking has died. At 76 years old, Hawking was an anomaly himself—expected to live just a few years after being diagnosed with ALS when he was 21 (while studying cosmology at the University of Cambridge) he went on to have a luminous career that spanned decades. Among his many discoveries, in 1970 …