I'm a little late to the party here, but I just discovered this forum. I can contribute some info about the 57th St. Art Colony in the early 1900s. My great grandfather William Cowan and his second wife, Elizabeth van Osdel Cowan, had two different storefront shops in the 1500 block of 57th St. between 1910-1930. He was a wood turner and picture framer and she was a portrait painter. Her work was
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