William Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska. He described many mollusks of the Pacific Northwest of North America, and was for many years America's preeminent authority on living and fossil mollusks.

Caroline Wells Dall was an American feminist writer, transcendentalist, and reformer. She was affiliated with the National Women's Rights Convention, the New England Women's Club, and the American Social Science Association. Her associates included Elizabeth Peabody and Margaret Fuller, as well as members of the Transcendentalist movement in Boston.