Quote of the day
I want it said of me by those who knew me best, that I always plucked a thistle and planted a flower where I thought a flower would grow.
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.






