Slideshow: This Artist Painted With Poison

William Morris is renowned for his rich tapestry designs. A researcher discovers Morris derived his green color from arsenic and dismissed possible health risks posed by its use, though he spoke out about environmental and social concerns. By Kristen Philipkoski.
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"Leaves"Designed by William Morris

See related story: This Artist Painted With Poison

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One of Morris' designs is called "Artichoke."

Designed by William Morris
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"Jasmine"

Designed by William Morris
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"Bachelor's Button" wallpaper.

Designed by William Morris