Wilhelm Knabe
... that Wilhelm Knabe , a co-founder of the Greens in Germany and a "green" mayor of Mülheim, participated in Fridays For Future with the slogan "Opa For Future"?
... that <b id="mwRQ"><a href="./Wilhelm_Knabe" id="mwRg" rel="mw:WikiLink" title="Wilhelm Knabe">Wilhelm Knabe</a></b> <i id="mwRw">(pictured)</i>, a co-founder of the <a href="./Alliance_90/The_Greens" id="mwSA" rel="mw:WikiLink" title="Alliance 90/The Greens">Greens</a> in Germany and a "green" mayor of <a href="./Mülheim" id="mwSQ" rel="mw:WikiLink" title="Mülheim">Mülheim</a>, participated in <a class="mw-redirect" href="./School_strike_for_climate" id="mwSg" rel="mw:WikiLink" title="School strike for climate">Fridays For Future</a> with the slogan "Opa For Future"?