Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Sumio Mori (森 澄雄, Mori Sumio, 28 February 1919 in Nagasaki – 18 August 2010 in Tokyo) was a Japanese poet noted for haiku. He had an interest in the haikai tradition of pre-modern times. He won the Yomiuri Prize for poetry in 1977 and the Dakotsu Prize in 1987.