Harriet Mann Miller was an American author, naturalist, and ornithologist. She was one of the first three women raised to elective membership in the American Ornithologists' Union. Miller wrote stories for leading magazines. At the start of her career, her articles appeared under the pen name "Olive Thorne" while after marriage, she used the signature of "Olive Thorne Miller". Her books include: Little Folks in Feathers and Fur (1879), Queer Pets at Marcy’s (1880), Little People of Asia (1882), Birds’ Ways (1885), In Nesting Time (1888), and also a serial story entitled, "Nimpo’s Troubles", published in the St. Nicholas Magazine, in 1874.