https://en.wikipedia.org/wiki/Shin%27ichi_Hisamatsu
Reciprocal Mirroring: Conversation between Shin'ichi Hisamatsu and Martin Heidegger on May 19, 1958. Contributors: Heidegger, Martin - Author, Hisamatsu, Shin'Ichi - Author. Journal title: Philosophy Today. Volume: 61. Issue: 1 Publication date: January 1, 2017. Page number: 53+. (questia)