Bell treated his friend and colleague Watson generously. Though he had no legal obligations to do so, he awarded Watson 10 percent of the company, allowing Watson to retire rich at the age of just twenty-seven. Able to do anything he wanted, Watson devoted the rest of his life to just that. He traveled the world, read widely, and took a degree in geology at MIT for the simple satisfaction of improving his brain. He then started a shipyard, which quickly grew to employ four thousand men, producing a scale of stress and obligation way beyond anything he wished for, so he sold the business,
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