While at university , Duff became involved in gay activism , forming the University of Canterbury Gay Activists Society with Lindsay Taylor .
While at university , Duff became involved in gay activism , helping to launch Gay Liberation Christchurch , both in 1972 .
While at university , Duff became involved in gay activism , forming the University of Canterbury Gay Activists Society with Lindsay Taylor , and helping to launch Gay Liberation Christchurch , both in 1972 .