Carl Størmer
...that Carl Størmer, "the acknowledged authority" on aurorae and the motion of charged particles in the magnetosphere, began his academic career inventing formulae for π?
...that <b id="mwAyY"><a href="./Carl_Størmer" id="mwAyc" rel="mw:WikiLink" title="Carl Størmer">Carl Størmer</a></b>, "the acknowledged authority" on <a class="mw-redirect" href="./Aurora_(astronomy)" id="mwAyg" rel="mw:WikiLink" title="Aurora (astronomy)">aurorae</a> and the motion of charged particles in the <a href="./Magnetosphere" id="mwAyk" rel="mw:WikiLink" title="Magnetosphere">magnetosphere</a>, began his academic career inventing <a href="./Machin-like_formula" id="mwAyo" rel="mw:WikiLink" title="Machin-like formula">formulae</a> for <a href="./Pi" id="mwAys" rel="mw:WikiLink" title="Pi">π</a>?