James Chadwick
... that James Chadwick , who was later to win the Nobel Prize in Physics for his discovery of the neutron, experimented with radioactive toothpaste during World War I?
... that <b id="mwBAI"><a href="./James_Chadwick" id="mwBAM" rel="mw:WikiLink" title="James Chadwick">James Chadwick</a></b> <i id="mwBAQ">(pictured)</i>, who was later to win the <a href="./Nobel_Prize_in_Physics" id="mwBAU" rel="mw:WikiLink" title="Nobel Prize in Physics">Nobel Prize in Physics</a> for his discovery of the <a href="./Neutron" id="mwBAY" rel="mw:WikiLink" title="Neutron">neutron</a>, experimented with radioactive toothpaste during World War I?