Harold Conn
... that American bacteriologist Harold Conn was sometimes called "Dr. Stain"?
... that American bacteriologist <b id="mwAXs"><a href="./Harold_J._Conn" id="mwAXw" rel="mw:WikiLink" title="Harold J. Conn">Harold Conn</a></b> was sometimes called "Dr.<span id="mwAX0" typeof="mw:Entity"> </span>Stain"?