sentences:  In 1962, he became a professorial fellow in the Research School of Pacific and Asian Studies (RSPAS) of the Australian National University, remaining there for fifteen years.In 1975–1976 he was the most influential member of the Asprey Committee on tax reform, recommending a dramatic change from a complicated system of income taxes to a broad-based consumption tax.In 1976, he retired to London, settling in part of the 17th-century house at Stamford Brook of his uncle by marriage Camille Pissarro.