Robert F. Christy
... that Robert F. Christy used knowledge gained designing atomic bombs to explain Cepheid variable stars ?
... that <b id="mwDFU"><a href="./Robert_F._Christy" id="mwDFY" rel="mw:WikiLink" title="Robert F. Christy">Robert F. Christy</a></b> used knowledge gained designing <a class="mw-redirect" href="./Atomic_bomb" id="mwDFc" rel="mw:WikiLink" title="Atomic bomb">atomic bombs</a> to explain <a href="./Cepheid_variable" id="mwDFg" rel="mw:WikiLink" title="Cepheid variable">Cepheid variable</a> stars <i id="mwDFk">(<a href="./RS_Puppis" id="mwDFo" rel="mw:WikiLink" title="RS Puppis">RS Puppis</a> pictured)</i>?