|This article does not cite any references or sources. (October 2012)|
By the mid-1950s, the Chambord was co-owned by Henry Margolis, a New York entrepreneur and theatrical producer, and his partner Phil Rosen, who ran the restaurant on a daily basis. Margolis was often seen there entertaining theatrical friends like Orson Welles, Joseph Cotten, Margaret Sullivan and Martin Gabel.
- "Le Cafe Chambord". The Chef and Restaurant Database. Retrieved October 7, 2012.
- Markets and Menus, The New Yorker, March 30, 1957, p. 106. Describes the Chambord's new frozen food line.