What is David Johnston?
{{for|the American volcano expert|David A. Johnston}} {{Infobox officeholder | honorific-prefix = [[The Right Honourable]] | honorific-suffix = {{post-nominals|country=CAN|PC|CC|CMM|COM|CD|FRSC(hon)|FRCPSC(hon)|size=100%}} | image = David Johnston 2011-12-01.jpg | alt = Photograph of Johnston smiling. He is wearing a dark suit with a red and black striped tie. | caption = Johnston in 2011 | order = 28th | office = Governor General of Canada | monarch = [[Elizabeth II]] | primeminister = {{ubl|[[Stephen Harper]]|[[Justin Trudeau]]}} | term_start = October 1, 2010 | term_end = October 2, 2017 | predecessor = [[Michaëlle Jean]] | successor = [[Julie Payette]] | office2 = | term_start2 = | term_end2 = | successor2 = | office3 = | term_start3 = | term_end3 = | successor3 = | birth_name = David Lloyd Johnston | birth_date = {{Birth date and age|1941|6|28|mf=yes}} | birth_place = [[Greater Sudbury|Sudbury]], [[Ontario]], Canada | death_date = | death_place = | spouse = {{marriage|[[Sharon Johnston]]|1964}} | children = 5 | education = {{ubl|[[Harvard University]] ([[Bachelor of Arts|BA]])|[[Trinity Hall, Cambridge]] ([[Bachelor of Laws|LLB]])|[[Queen's University at Kingston|Queen's University]] ([[Bachelor of Laws|LLB]])}} | signature = David Johnston Signature.svg }} '''David Lloyd Johnston''', [[Order of Canada|CC]] [[Order of Military Merit (Canada)|CMM]] [[Order of Merit of the Police Forces|COM]] [[Canadian Forces Decoration|CD]] [[Royal Society of Canada|FRSC(''hon'')]] (born June 28, 1941) is a [[Canadian]] [[academic]] and [[author]]. He was the [[Governor General of Canada]] from October 1, 2010 to October 2, 2017. ==Style and titles== * June 28, 1941– October 1, 2010: ''Mister'' David Lloyd Johnston * Octob