On April 3, 1948 a protest on Jeju Island, in South Korea triggered a retaliatory reaction. This massacre is known as the Jeju 4.3 incident. Last summer, Career High School Social Studies teachers Bob Osborne, Mark Osenko, Ben Werth, and Chris Brennan, and Hyde/Creed teacher Robert Rhone, along with several other teachers, and New Haven district Social Studies supervisor Sandra Clark attended the East Rock Institute Teacher’s Workshop on Korean Culture and History. Modern Wor