Nathan Langer, who survived the Holocaust and went on to found Langer Juice Co., died Wednesday at the age of 86.

A native of Krakow, Poland, Langer escaped from a concentration camp when he was a young boy after his father was killed. He and a sister later hid at his aunt’s apartment in Warsaw until her building was bombed by the Nazis, killing his sister. He was the only survivor of his immediate family.

After World War II, Langer immigrated to the United States, along with his wife, Mira, another Holocaust survivor.

In 1960, he founded the City of Industry juice company, continuing in the beverage business he’s learned as a boy at his family’s company, Arade Winery. Langer was also a co-founder of Unadulterated Food Products, which later became Snapple, according to his son, Bruce. He and another of Langer’s three sons, David, are now vice presidents at Langer Juice Co. A third, Dennis, is a physician.

“Our father would always say, ‘How you make your bed is how you are going to sleep,’” Bruce Langer said. “He always believed in being prepared, organized, on time, if not always early, for meetings, and especially he believed in hard work.”