J. Carson Mark
... that J. Carson Mark wrote a paper dispelling the myth that reactor-grade plutonium could not be used for nuclear weapons?
... that <b id="mwCB4"><a href="./J._Carson_Mark" id="mwCB8" rel="mw:WikiLink" title="J. Carson Mark">J. Carson Mark</a></b> wrote a paper dispelling the myth that <a href="./Reactor-grade_plutonium" id="mwCCA" rel="mw:WikiLink" title="Reactor-grade plutonium">reactor-grade plutonium</a> could not be used for nuclear weapons?