isolobal principle
... that Roald Hoffmann's development of the isolobal principle helped him earn the 1981 Nobel Prize in Chemistry?
... that <a href="./Roald_Hoffmann" id="mwBvM" rel="mw:WikiLink" title="Roald Hoffmann">Roald Hoffmann</a><span about="#mwt32" class="nowrap" data-mw="{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;'s&quot;,&quot;href&quot;:&quot;./Template:'s&quot;},&quot;params&quot;:{},&quot;i&quot;:0}}]}" id="mwBvQ" style="padding-left:0.1em;" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> development of the <b id="mwBvU"><a href="./Isolobal_principle" id="mwBvY" rel="mw:WikiLink" title="Isolobal principle">isolobal principle</a></b> helped him earn the 1981 <a href="./Nobel_Prize_in_Chemistry" id="mwBvc" rel="mw:WikiLink" title="Nobel Prize in Chemistry">Nobel Prize in Chemistry</a>?