Harold Mayer was a professor of geography at the University of Wisconsin-Milwaukee and a leading scholar in urban geography. A specialist in urban and transport geography of North America with a focus on New York, Chicago, Milwaukee, and British Columbia, Mayer travelled widely, taking photographs along the way. He used his large photographic collection in his teaching. To illustrate changes in urban landscape, he often returned to the same city to take a picture of the same sight over the course of several years. His collection can be viewed at the American Geographical Society. These are his Kodachrome photographs of Manhattan, New York City, taken in the 1940s and 1950s.
![New York City color photographs](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-view-of-advertisements-in-Times-Square-1948-copy-1200x802.jpg)
New York, Manhattan, view of advertisements in Times Square – 1948
![New York, Manhattan, view of United Nations buildings under construction 51](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-view-of-United-Nations-buildings-under-construction-51-1200x817.jpeg)
New York, Manhattan, view of United Nations buildings under construction, 1951
![Manhattan New York City color photographs](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-Ambassador-Hotel-on-Park-Avenue-1200x793.jpeg)
New York, Manhattan, Ambassador Hotel on Park Avenue
![Manhattan New York City color photographs](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-designated-childrens-22play-street22-with-residential-buildings-56-1200x775.jpeg)
New York, Manhattan, designated children’s play street with residential buildings – 1956
![Manhattan New York City color photographs](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-Lower-East-Side-street-scene-56-a-1200x804.jpeg)
Lower East Side street scene, 1956
![New York, Manhattan, Macdougal Alley 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-Macdougal-Alley-56-1200x806.jpeg)
New York, Manhattan, Macdougal Alley, 1956
![n, people gathered beneath Washington Square Park Arch 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-people-gathered-beneath-Washington-Square-Park-Arch-56-1200x803.jpeg)
People gathered beneath Washington Square Park Arch, 1956
![New York, Manhattan, public housing development 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-public-housing-development-56-1200x815.jpeg)
Public housing development, 1956
![New York, Manhattan, street scene near Herald Square 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-street-scene-near-Herald-Square-56-1200x798.jpeg)
New York, Manhattan, street scene near Herald Square, 1956
![New York, Manhattan, street scene on Broadway near Herald Square 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-street-scene-on-Broadway-near-Herald-Square-56-1200x1798.jpeg)
Street scene on Broadway near Herald Square, 1956
![New York, Manhattan, Stuyvesant Town residential development 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-Stuyvesant-Town-residential-development-56-1200x815.jpeg)
New York, Manhattan, Stuyvesant Town residential development, 1956
![New York, Manhattan, residential street in Sutton Place neighborhood 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-residential-street-in-Sutton-Place-neighborhood-56-1200x795.jpeg)
Residential street in Sutton Place neighborhood, 1956
![New York, Manhattan, view of Park Avenue north from 58th Street 56](https://flashbak.com/wp-content/uploads/2021/06/New-York-Manhattan-view-of-Park-Avenue-north-from-58th-Street-56-1200x805.jpeg)
View of Park Avenue north from 58th Street 1956
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