John Bevan
... that Colonel John Bevan's contribution to military deception planning during World War II was kept secret until the 1970s?
... that Colonel <b id="mwCi0"><a href="./John_Bevan_(British_Army_officer)" id="mwCi4" rel="mw:WikiLink" title="John Bevan (British Army officer)">John Bevan</a></b><span about="#mwt39" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwCi8" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> contribution to <a href="./Military_deception" id="mwCjA" rel="mw:WikiLink" title="Military deception">military deception</a> planning during <a href="./World_War_II" id="mwCjE" rel="mw:WikiLink" title="World War II">World War II</a> was kept secret until the 1970s?<!--Special date request for November 11(Remembrance Day)-->