Frisch–Peierls memorandum
... that the authors of the 1940 Frisch–Peierls memorandum were assigned to research nuclear weapons because, as enemy aliens, they could not work on secret military projects?
... that the authors of the 1940 <b id="mwAbQ"><a href="./Frisch–Peierls_memorandum" id="mwAbU" rel="mw:WikiLink" title="Frisch–Peierls memorandum">Frisch–Peierls memorandum</a></b> were assigned to research nuclear weapons because, as <a href="./Enemy_alien" id="mwAbY" rel="mw:WikiLink" title="Enemy alien">enemy aliens</a>, they could not work on secret military projects?