William E. Peterson

William E. Peterson
Member of the Illinois Senate
from the 26th district
In office
1993–2009
Preceded byGreg Zito
Succeeded byDan Duffy
Member of the Illinois House of Representatives
In office
1983–1993
Preceded byDistrict created
Personal details
Born(1936-02-02)February 2, 1936
DiedJanuary 11, 2026(2026-01-11) (aged 89)
PartyRepublican
ProfessionEducator
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William E. Peterson (February 2, 1936 – January 11, 2026) was an American politician and educator who served as a member of the Illinois Senate from 1993 to 2009. He also served as the Assistant Minority Leader.