Attributed to Grandma Moses, no coa, private collection, medium: oil ,measurements: 30x24 Biography:Anna Mary Robertson Moses, or Grandma Moses, was an American folk artist. She began painting in earnest at the age of 78 and is a prominent example of a newly successful art career at an advanced age. Anna Mary Robertson was born in Greenwich, New York on September 7, 1860; she was the third of ten children born to Margaret Shanahan Robertson and Russell King Robertson. She was raised with four sisters and five brothers. Her father ran a flax mill and was a farmer.She briefly attended a one-room school.[1] That school is now the Bennington Museum in Vermont, which has the largest collection of her works in the United States.As a child, she started painting using lemon and grape juice to make colors for her "landscapes"and used ground ocher, grass, flour paste, slacked lime, and sawdust.[4]At age 12, she left home and performed farm chores for a wealthy neighboring family. She continued to keep house, cook, and sew for wealthy families for 15 years.One of these families, the Whitesides, noticed her interest in their Currier and Ives prints and bought her chalk and wax crayons.