Longley se narodil v roce 1881 v Novém Skotsku. Vystudoval univerzity Acadia a Yale. V letech 1911–1937 působil jako profesor biologie a botaniky na Goucher College v Baltimoru.
William HardingLongley (1881–1937) was a Canadian-American botanist and marine biologist. Born in Nova Scotia, Longley received his education at Acadia University and Yale University.
These papers document Schmitt's professional career and personal life and include correspondence; organizational files; diaries and miscellaneous notebooks; manuscripts, speeches, and records concerning publications; research material…
Po několika drobných vylepšení fotografoval skupinu tanečnic pod vodou. Zrodila se nová oblast fotografie: Levantské mořské panny (The Mermaids of Levant) a měla okamžitý úspěch.