Timothy E. Gregory
... that Byzantine historian Timothy E. Gregory served as director of the Ohio State University excavations at Isthmia?
... that <a class="mw-redirect" href="./Byzantine_empire" id="mwAyw" rel="mw:WikiLink" title="Byzantine empire">Byzantine</a> historian <b id="mwAy0"><a href="./Timothy_E._Gregory" id="mwAy4" rel="mw:WikiLink" title="Timothy E. Gregory">Timothy E. Gregory</a></b> served as director of the <a href="./Ohio_State_University" id="mwAy8" rel="mw:WikiLink" title="Ohio State University">Ohio State University</a> excavations at <a href="./Temple_of_Isthmia" id="mwAzA" rel="mw:WikiLink" title="Temple of Isthmia">Isthmia</a>?