William Henry Collins
... that William Henry Collins was simultaneously Director of the Geological Survey of Canada and President of the Geological Society of America?
... that <b id="mwAbY"><a href="./William_Henry_Collins" id="mwAbc" rel="mw:WikiLink" title="William Henry Collins">William Henry Collins</a></b> was simultaneously Director of the <a href="./Geological_Survey_of_Canada" id="mwAbg" rel="mw:WikiLink" title="Geological Survey of Canada">Geological Survey of Canada</a> and President of the <a href="./Geological_Society_of_America" id="mwAbk" rel="mw:WikiLink" title="Geological Society of America">Geological Society of America</a>?