What is David Peterson?
{{Infobox officeholder | honorific-prefix = [[The Honourable]] | name = David Peterson | honorific-suffix = {{post-nominals|country=CAN|size=100%|PC|OOnt|QC}} | image = David Peterson (2005).jpg | caption = Peterson in 2005 | order = 20th | office = Premier of Ontario | term_start = June 26, 1985 | term_end = October 1, 1990 | monarch = [[Elizabeth II]] | lieutenant_governor = [[John Black Aird]]<br />[[Lincoln Alexander]] | predecessor = [[Frank Miller (politician)|Frank Miller]] | successor = [[Bob Rae]] | office2 = [[Member of Provincial Parliament (Ontario)|Member of Provincial Parliament]] | term_start2 = September 18, 1975 | term_end2 = September 6, 1990 | predecessor2 = ''New riding'' | successor2 = [[Marion Boyd]] | constituency2 = [[London Centre]] | office3 = [[Ontario Liberal Party|Ontario Liberal Party Leader]] | term_start3 = February 21, 1982 | term_end3 = September 6, 1990 | predecessor3 = [[Stuart Lyon Smith|Stuart Smith]] | successor3 = [[Robert Nixon (politician)|Robert Nixon]] | office4 = [[Leader of the Opposition (Ontario)|Leader of the Opposition in the Ontario Legislature]] | term_start4 = February 21, 1982 | term_end4 = June 26, 1985 | predecessor4 = Robert Nixon | successor4 = [[Frank Miller (politician)|Frank Miller]] | office5 = Chancellor of the [[University of Toronto]] | term_start5 = July 1, 2006 | term_end5 = June 30, 2012 | predecessor5 = [[Vivienne Poy]] | successor5 = [[Michael Wilson (Canadian politician)|Michael Wilson]] | party = [[Ontario Liberal Party|Liberal]] | birth_name = David Robert Peterson | birth_date = {{birth date and age|1943|12|28}} | birth_place = [[Toronto]], Ontario, Canada | alma_mater = [[University