Historians consider Riverside, California, as the birthplace of the Korean American community known as Pachappa Camp. It lasted from 1905 to1913, and at its peak was the home of about 300 Korean immigrant men, women and children, who were mostly agricultural laborers. It was founded by a Korean activist named Dosan Anh Chang Ho. It’s a little-known story now getting attention in an exhibit at the University of California at Riverside. Marco Werman speaks to Carol Park, co-curator of the exhibit.