predecessor parliament successor constituency_mp citizenship party profession office birth_date term_start order birthname article_title term_end name alma_mater
ross hutchinson ray o'connor western australian colin barnett barry mckinnon cottesloe australian liberal party of australia lawyer leader for western australia of the opposition -lrb- western australia -rrb- agent-general 6 june 1943 1977 1984 1994 20th william ralph boucher hassell bill hassell
 1990 1986 1996 bill hassell university of western australia
bill hassell

william ralph boucher hassell , best known as bill hassell , -lrb- born 6 june 1943 -rrb- is an australian former politician who was leader of the opposition in western australia during the mid-1980s .
he was a member of the western australian legislative assembly seat of cottesloe between 1977 and 1990 .
