John Onesimus Foster
... that at the time of his death, John Onesimus Foster was believed to be the oldest active professor in the United States?
... that at the time of his death, <b id="mwBOs"><a href="./John_Onesimus_Foster" id="mwBOw" rel="mw:WikiLink" title="John Onesimus Foster">John Onesimus Foster</a></b> was believed to be the oldest active professor in the United States?