sentences:  He continued to paint, using the nature of Amami Ōshima for inspiration, and his output through the 1960s and early 1970s was prolific.Tanaka Isson died in 1977 of a heart attack at the age of 69.After his death, his life and the style of his works were compared with that of Paul Gauguin on the Japanese national television (NHK)'s "Sunday Art Museum" program, and in 2001, a memorial art museum was established in his honor near the airport on Amami Ōshima.