Edwin Stevens
... that the Welsh inventor Edwin Stevens devised the world's first wearable electronic hearing aid?
... that the <a href="./Wales" id="mwEPM" rel="mw:WikiLink" title="Wales">Welsh</a> inventor <b id="mwEPQ"><a class="mw-disambig" href="./Edwin_Stevens" id="mwEPU" rel="mw:WikiLink" title="Edwin Stevens">Edwin Stevens</a></b> devised the world's first wearable electronic <a href="./Hearing_aid" id="mwEPY" rel="mw:WikiLink" title="Hearing aid">hearing aid</a>?