The two men first met on 5 May 1972, and in May 1973, Ikeda again flew to London to meet with the historian for 40 hours over a period of 10 days.
The two men first met on 5 May 1972 in London. In May 1973, Ikeda again flew to London to meet with the Toynbee for 40 hours over a period of 10 days.