Sandra Sinclair Dinsmore, died on March 12, 2021, in Bath, Maine, after a four-month decline in health due to a stroke. Sandy, as she was affectionately known, was born on May 12, 1936, in Princeton, New Jersey, and was a member of the Princeton High School class of 1954. She attended Bradford Junior College. She married Charles A. Chapman in 1957, and had three children.
From 1972 to 2020 Sandy managed her own antique business and also became a writer. The Penobscot Bay Press published More By Eye Than By Measure, nominated for a Maine Literary Award in 2020.