William W. Naismith
... that William W. Naismith founded the Scottish Mountaineering Club and invented a rule for estimating how long it will take to walk a given route?
... that <b id="mwBrc"><a href="./William_W._Naismith" id="mwBrg" rel="mw:WikiLink" title="William W. Naismith">William W. Naismith</a></b> founded the <a href="./Scottish_Mountaineering_Club" id="mwBrk" rel="mw:WikiLink" title="Scottish Mountaineering Club">Scottish Mountaineering Club</a> and invented <a href="./Naismith's_rule" id="mwBro" rel="mw:WikiLink" title="Naismith's rule">a rule</a> for estimating how long it will take to walk a given route?