Gillian Bates, British geneticist (Huntington's disease) Val Beral (1946–), British–Australian epidemiologist Grace Berlin (1897–1982), American ecologist, ornithologist and historian Agathe L. van Beverwijk (1907–1963), Dutch mycologist Gladys Black (1909–1998), American ornithologist Idelisa Bonnelly (1931-), Dominican Republic marine biologist Alice Middleton Boring (1883–1955), American biologist Annette Frances Braun (1911–1968), American entomologist, expert on microlepidoptera Linda B. Buck (1947–), American neuroscientist (Nobel prize in Physiology or Medicine 2004 for olfactory receptors) Hildred Mary Butler (1906–1975), Australian microbiologist Esther Byrnes (1867–1946), American biologist and science teacher