"Six decades after the death of an unheralded New York City municipal photographer, a researcher stumbles upon his forgotten negatives...."
"It took many months and uncounted hours of trolling through archives storerooms, the Social Security index, Census reports and city records on births, deaths and employment to find the answer: the photographer was Eugene de Salignac, a municipal worker who took 20,000 photographs of modern Manhattan in the making. "It felt like a real discovery," Lorenzini says.


http://www.smithsonianmagazine.com/issues/2007/september/indelible.php"It Felt Like a Real Discovery"
http://www.boingboing.net/2007/09/17/eugene-de-salignacs.htmlEugene de Salignac's early 20th century NYC photos