WASHINGTON, D.C. (AP).- The estate of a Holocaust refugee who fled to the United States from Germany announced a $17.2 million gift to the U.S. Holocaust Memorial Museum on Tuesday, the museum’s largest gift ever. The gift from the estate of Eric F. Ross of Palm Beach, Fla., and West Orange, N.J., will help build the museum’s endowment fund. The museum, located on the National Mall in Washington, announced that it aims to raise $200 million more over the next eight years. It receives federal funding for its operations and raises private funds for programs. Ross, who died in 2010, and his late wife Lore, previously donated more than $12 million to the museum. In total, they have given more than $30 million. “Having experienced firsthand Nazi anti-Semitism and hatred, Eric and Lore Ross became determined and generous investors in Holocaust