William Stadiem
... that William Stadiem's book on Frank Sinatra was based on thousands of pages of notes taken about Sinatra's everyday life by his valet George Jacobs?
... that <b id="mwB0s"><a href="./William_Stadiem" id="mwB0w" rel="mw:WikiLink" title="William Stadiem">William Stadiem</a></b><span about="#mwt41" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwB00" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> book on <a href="./Frank_Sinatra" id="mwB04" rel="mw:WikiLink" title="Frank Sinatra">Frank Sinatra</a> was based on thousands of pages of notes taken about Sinatra's everyday life by his valet <a href="./George_Jacobs_(valet)" id="mwB08" rel="mw:WikiLink" title="George Jacobs (valet)">George Jacobs</a>?