The first <a href="https://en.wikipedia.org/wiki/Pulsar" id="mwATE" rel="mw:WikiLink" title="Pulsar">pulsar</a> (<a href="https://en.wikipedia.org/wiki/PSR_B1919+21" id="mwATI" rel="mw:WikiLink" title="PSR B1919+21">PSR B1919+21</a>, in the constellation of <a href="https://en.wikipedia.org/wiki/Vulpecula" id="mwATM" rel="mw:WikiLink" title="Vulpecula">Vulpecula</a>) is discovered by two astronomers <a href="https://en.wikipedia.org/wiki/Jocelyn_Bell_Burnell" id="mwATQ" rel="mw:WikiLink" title="Jocelyn Bell Burnell">Jocelyn Bell Burnell</a> and <a href="https://en.wikipedia.org/wiki/Antony_Hewish" id="mwATU" rel="mw:WikiLink" title="Antony Hewish">Antony Hewish</a>.