<a href="https://en.wikipedia.org/wiki/Albert_Einstein" id="mweQ" rel="mw:WikiLink" title="Albert Einstein">Albert Einstein</a>'s paper that leads to the <a href="https://en.wikipedia.org/wiki/Mass–energy_equivalence" id="mweg" rel="mw:WikiLink" title="Mass–energy equivalence">mass–energy equivalence</a> formula, <i id="mwew">E</i><span id="mwfA" typeof="mw:Entity"> </span>=<span id="mwfQ" typeof="mw:Entity"> </span><i id="mwfg">mc</i>², is published in the journal <i id="mwfw">Annalen der Physik</i>.