Berger was born in Ostrowiec Świętokrzyski, Congress Poland and moved to the United States at age 16 in 1913 at age 16 settling in Fargo, North Dakota. He became a U.S. citizen while serving in World War I.
Berger, who was born in Ostrowiec Świętokrzyski, Congress Poland, immigrated to the United States at age 16 in 1913 and settled in Fargo, North Dakota. He obtained his U.S. citizenship while serving in World War I.