<a href="https://en.wikipedia.org/wiki/Albert_Einstein" id="mw3A" rel="mw:WikiLink" title="Albert Einstein">Albert Einstein</a> presents the <a href="https://en.wikipedia.org/wiki/Einstein_field_equations" id="mw3Q" rel="mw:WikiLink" title="Einstein field equations">field equations</a> of <a href="https://en.wikipedia.org/wiki/Introduction_to_general_relativity" id="mw3g" rel="mw:WikiLink" title="Introduction to general relativity">general relativity</a> to the <a href="https://en.wikipedia.org/wiki/Prussian_Academy_of_Sciences" id="mw3w" rel="mw:WikiLink" title="Prussian Academy of Sciences">Prussian Academy of Sciences</a>.