Nathan Mendelsohn
... that mathematician Nathan Mendelsohn was on the first Putnam Competition-winning team in 1938, but also won second prize in an International Brotherhood of Magicians contest?
... that <a href="./Mathematician" id="mwAZE" rel="mw:WikiLink" title="Mathematician">mathematician</a> <b id="mwAZI"><a href="./Nathan_Mendelsohn" id="mwAZM" rel="mw:WikiLink" title="Nathan Mendelsohn">Nathan Mendelsohn</a></b> was on the first <a href="./William_Lowell_Putnam_Mathematical_Competition" id="mwAZQ" rel="mw:WikiLink" title="William Lowell Putnam Mathematical Competition">Putnam Competition</a>-winning team in 1938, but also won second prize in an <a href="./International_Brotherhood_of_Magicians" id="mwAZU" rel="mw:WikiLink" title="International Brotherhood of Magicians">International Brotherhood of Magicians</a> contest?