What American luxury jewelry and specialty retailer did Jean Michel Schlumberger work at?
Jean Schlumberger (jewelry designer): Jean Michel Schlumberger (June 24, 1907 – August 29, 1987) was a French jewelry designer especially well known for his work at Tiffany & Co. Tiffany &amp; Co.: Tiffany & Company (known colloquially as Tiffany or Tiffany's) is an American luxury jewelry and specialty retailer, headquartered in New York City.
Tiffany & Company