title: Masao Kawai
text: # Masao Kawai
  
  Masao Kawai (河合 雅雄, Kawai Masao, January 2, 1924 – May 14, 2021) was a Japanese primatologist, who introduced the concept of kyōkan as a means of studying primates in his book Life of Japanese Monkeys (1969).
  
  