Felix Fuld built one of America's well-known department stores – L. Bamberger & Company with his partner, Louis Bamberger. He was an early 20th century philanthropist contributing to many local, regional, and international organizations. He arrived in Newark, New Jersey in 1892 and soon thereafter established the department store with Louis Bamberger and Louis Frank. Felix Fuld married his business partner's sister, Caroline Bamberger Fuld who carried on his charitable work after his death at age 60, including the establishment of the Institute for Advanced Study.

Bamberger's was a department store chain with branches primarily in New Jersey and other locations in Delaware, Maryland, New York, and Pennsylvania. The chain was headquartered in Newark, New Jersey.