Stephen Hawking (8 January 1942–14 March 2018; age 76) was a noted scientist who formerly held the Lucasian Chair at Cambridge University in England. Diagnosed at age 22 with Amyotrophic Lateral Sclerosis (also known as Motor Neurone Disease and Lou Gehrig's Disease), he used a wheelchair for the majority of his life, and communicated by means of an electronic vocal synthesizer. He was famous for formulating several theories regarding the nature of black holes, often working with colleague...