Los Angeles has one of the largest concentrations of Holocaust survivors in the country and there's a group of centenarians in Fairfax who meet regularly to build community. At 107 years old, Risa Egelfeld is the unofficial matriarch of this Elite Survivors Club. As a young college student, Egelfeld watched families being rounded up in Austrian streets before a professor helped her escape. "The secret of my life is to always think positive, whatever else happens," she said. "It gave me the strength to survive this hatred." Masza Rosenroth, who is 101 years old, witnessed unspeakable atrocities as a young...