Chris Harding discusses the work of Japanese artist Katsushika Hokusai with Tim Clark, curator of a new exhibition at the British Museum and explores the relationship between Korea and Japan through the visual arts with art historian Angus Locker, Charlotte Horlyck, chair of the Centre for Korean Studies at the School of Oriental & African Studies, and Je Yun Moon, a curator at the Korean Cultural Centre UK overseeing a year-long festival of Korean arts. Plus Aidan Foster-Carter on the US involvement in the formation of North and South Korea. Hokusai: beyond the Great Wave runs at the British Museum from May 25th to August 13th. You can find out more about Hokusai on BBC Radio 4's In Our Time. Producer: Luke Mulhall