In 1772, upon the death of her second husband, Mary Delany arose from her grief, picked up a pair of scissors, and, at the age of seventy-two, created a new art form: mixed-media collage. Over the next decade, Mrs. Delany produced an astonishing 985 botanically correct, breathtaking cut-paper flowers, now housed in the British Museum and referred to as the Flora Delanica . As she tracks the extraordinary life of Delany-friend of George Frideric Handel...