Jeanne Walker Harvey

Else Bostelmann donned a red swimsuit and a copper diving helmet and, with paints and brushes in hand, descended into the choppy turquoise sea off the coast of Bermuda. It was 1930, and few had ventured deep into the sea before. She discovered a fairyland six fathoms below the surface—fantastic coral castles, glittering sunbeams, swaying sea plumes, and slender purple...