Complex sentence: In 1907, Hine became the staff photographer of the Russell Sage Foundation; he photographed life in the steel-making districts and people of Pittsburgh, Pennsylvania, for the influential sociological study called The Pittsburgh Survey.
Split into simpler sentences: In 1907, Hine became the staff photographer of the Russell Sage Foundation. Here Hine photographed life in the steel-making districts and people of Pittsburgh, Pennsylvania, for the influential sociological study called The Pittsburgh Survey.