Ron Hayes
... that actor and environmentalist Ron Hayes worked to establish the first Earth Day in 1970 and to preserve the Grand Canyon National Park?
... that <a href="./Actor" id="mwC_4" rel="mw:WikiLink" title="Actor">actor</a> and <a href="./Environmentalist" id="mwC_8" rel="mw:WikiLink" title="Environmentalist">environmentalist</a> <b id="mwDAA"><a href="./Ron_Hayes" id="mwDAE" rel="mw:WikiLink" title="Ron Hayes">Ron Hayes</a></b> worked to establish the first <a href="./Earth_Day" id="mwDAI" rel="mw:WikiLink" title="Earth Day">Earth Day</a> in 1970 and to preserve the <a href="./Grand_Canyon_National_Park" id="mwDAM" rel="mw:WikiLink" title="Grand Canyon National Park">Grand Canyon National Park</a>?