Born on September 7, 1860, on a farm in Greenwich, New York, Anna Mary Robertson (who later became known as "Grandma Moses") had only a few months' schooling during the summers of her childhood. As a child Moses had drawn pictures and colored them with the juice of berries and grapes. After her husband died she created embroidery pictures, and when her arthritis made manipulating a needle too difficult, she turned to painting.
Throughout her lifetime Grandma Moses produced about 2,000 paintings, most of them oil on masonite board. Ever thrifty, she used whatever surfaces she could find:…