At the turn of the 20th century, architectural photography was just emerging as a subfield of photography and ever since has affected the practice of architecture and its representation. Governments and organizations made accurate photographic records of historic buildings, whereas architects found the photograph to be the perfect medium for sharing their exotic travels with colleagues. Today architectural photography is its own industry, an inseparable part of the architectural profession and the primary vehicle through which the public receives information about the built world. The century began with a type of architectural photography very different from the precision-obsessed documentary style of the 1870s and 1880s. These new photographs gave viewers much less detail about the architecture, instead preferring to elicit an emotive response about the atmosphere of a place. The work of the “Photo-Secession,” a group led by Alfred Stieglitz (1864–1946), characterizes this approach. A...