Simon of Athens
... that Simon of Athens is the earliest ancient Greek writer known to have written on horses and horsemanship?
... that <b id="mwA4I"><a href="./Simon_of_Athens" id="mwA4M" rel="mw:WikiLink" title="Simon of Athens">Simon of Athens</a></b> is the earliest <a href="./Ancient_Greek" id="mwA4Q" rel="mw:WikiLink" title="Ancient Greek">ancient Greek</a> writer known to have written on horses and <a href="./Equitation" id="mwA4U" rel="mw:WikiLink" title="Equitation">horsemanship</a>?