Overlooked: Yu Gwan-sun, Korea's Joan of Arc Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Yu Gwan-sun, who died at 17, was a Korean independence activist from the early 20th century. ( Seodaemun Prison History Museum ) Produced by Alexandra Botti Hosted by Duarte Geraldino Produced by PRI and WNYC