Quote of the day
Like stones rolling down hills, fair ideas reach their objectives despite all obstacles and barriers. It may be possible to speed or hinder them, but impossible to stop them.
Mary Walton

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.