Benjamin Franklin Loomis

B. F. Loomis
Benjamin and Estella Loomis on Lassen Peak summit
Born(1857-03-21)March 21, 1857
Illinois, United States
DiedJune 11, 1935(1935-06-11) (aged 78)
California, United States
Other namesFrank Loomis
Known forPhotographs of the 1914–1915 eruptions of Lassen Peak
Notable workPictorial History of the Lassen Volcano (1926)

Benjamin Franklin Loomis (March 21, 1857–June 11, 1935) was an American photographer. His photos of the 1914–1915 eruptions of Lassen Peak brought national attention to the area and supported the campaign to establish Lassen Volcanic National Park.