Henry Aaron Hill
... that fluorocarbon chemist Henry Aaron Hill was the first African-American president of the American Chemical Society?
... that <a href="./Fluorocarbon" id="mwB-M" rel="mw:WikiLink" title="Fluorocarbon">fluorocarbon</a> chemist <b id="mwB-Q"><a href="./Henry_Aaron_Hill" id="mwB-U" rel="mw:WikiLink" title="Henry Aaron Hill">Henry Aaron Hill</a></b> was the first African-American president of the <a href="./American_Chemical_Society" id="mwB-Y" rel="mw:WikiLink" title="American Chemical Society">American Chemical Society</a>?