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Samuel Pierpont Langley was an American aviation pioneer, astronomer and physicist who invented the bolometer. He was the third secretary of the Smithsonian Institution and a professor of astronomy at the University of Pittsburgh, where he was the director of the Allegheny Observatory

Boiler House Assistant at ZSL London Zoo

Secretary of the RSPCA, Manchester Branch

Painter

Children's Zoo Supervisor at ZSL London Zoo

Typist at ZSL London Zoo