John Farrar
... that the concept of hurricanes as "a moving vortex" was first developed by John Farrar after the Great September Gale of 1815?
... that the concept of <a class="mw-redirect" href="./Hurricane" id="mwEE4" rel="mw:WikiLink" title="Hurricane">hurricanes</a> as "a moving vortex" was first developed by <b id="mwEE8"><a href="./John_Farrar_(scientist)" id="mwEFA" rel="mw:WikiLink" title="John Farrar (scientist)">John Farrar</a></b> after the <a class="mw-redirect" href="./Great_September_Gale_of_1815" id="mwEFE" rel="mw:WikiLink" title="Great September Gale of 1815">Great September Gale of 1815</a>?