phy.senate.gov.au/olsen-john-wayne/ rs\ frit-nEN1C0-1161Nr‘ CF CAC \.? ekn'itA ENIC i APGCTI f\Lf I 9S% 4John Wayne Olsen, Liberal Party Premier of South Austrafie5.996-200itserved two years in the Senate from 7 May 1990, when he filled a casual vacancy caused by the resignation of Senator Tony Messner. 4.C.tor-tiN) c,C3L-1\.