Quote of the day
If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
Mary Walton
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Bio: Mary Elizabeth Walton was a nineteenth-century American inventor who was awarded two patents for pollution-reducing devices. In 1879, Walton created a method for reducing the environmental hazards of the smoke emitted from locomotive, industrial and residential chimneys.