Astronomers <a href="https://en.wikipedia.org/wiki/Urbain_Le_Verrier" id="mwTw" rel="mw:WikiLink" title="Urbain Le Verrier">Urbain Le Verrier</a>, <a href="https://en.wikipedia.org/wiki/John_Couch_Adams" id="mwUA" rel="mw:WikiLink" title="John Couch Adams">John Couch Adams</a> and <a href="https://en.wikipedia.org/wiki/Johann_Gottfried_Galle" id="mwUQ" rel="mw:WikiLink" title="Johann Gottfried Galle">Johann Gottfried Galle</a> collaborate on the <a href="https://en.wikipedia.org/wiki/Discovery_of_Neptune" id="mwUg" rel="mw:WikiLink" title="Discovery of Neptune">discovery of Neptune</a>.