'Joan Montgomery, (pronounced Mont-gum-ery) school principal and leader in women's education was born in July 1925, the eldest of four daughters of Beryl and William Montgomery. Headmistress of Clyde School (1960-1968) and Principal of Presbyterian Ladies' College (1969-1985), as President the Association of Heads of Independent Girls' Schools of Australia (AHIGSA), from 1979-1981, Montgomery was responsible for the move to merge it with the Headmasters' Conference of Independent Schools of Australia (HMCISA) to become the Association of Heads of Independent Schools of Australia (AHISA) which finally occurred on 26th August, 1985.' (http://www.womenaustralia.info/leaders/biogs/WLE0661b.htm)