Louis Bamberger (15 May 1855 – 11 March 1944) was
Newark, New Jersey's leading citizen from the early 1900s until his death in 1944. He is noted for co-founding (with his sister
Caroline Bamberger Fuld) the
Institute for Advanced Study in Princeton, New Jersey. He was a businessman and philanthropist and at his death all flags in Newark were flown at
half-staff for three days, and his large department store closed for a day.