The world renown and widely influential scientist passed away in 2018, after his long battle with motor neurone disease. This degenerative condition causes the death of nerve tissue and slowly paralyzed him, before ultimately taking his life. Though his disability never stopped him from exploring the frontiers of science.
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Hawking, who passed away at was 76 with a net worth of nearly $20 million. Hawking made his fortune after he published A Brief History of Time in 1988 as the book has since sold more than 10 million copies and been translated into 40 languages. Some say that the scientist might have earned as much as $6 million off the book alone. Though Hawking also made money through product endorsements, like his $2 million deal for promoting an eyeglass store chain.As a professor, he likely earned more than $110,000 a year, the average salary for a Cambridge University professor. Hawking also made a fair bit of money when he was awarded the Special Breakthrough Prize in Fundamental Physics set up by Russian internet billionaire Yuri Milner, which came with a $3-million award. Hawking certainly had more than theoretical credit to his physics career.