Hans Rådström
... that, in addition to his work on convex sets, mathematician Hans Rådström edited the Swedish translation of Martin Gardner's Scientific American Book of Mathematical Puzzles and Diversions?
... that, in addition to his work on <a href="./Convex_set" id="mwD-Q" rel="mw:WikiLink" title="Convex set">convex sets</a>, mathematician <b id="mwD-U"><a href="./Hans_Rådström" id="mwD-Y" rel="mw:WikiLink" title="Hans Rådström">Hans Rådström</a></b> edited the Swedish translation of <a href="./Martin_Gardner" id="mwD-c" rel="mw:WikiLink" title="Martin Gardner">Martin Gardner</a><span about="#mwt57" class="nowrap" data-mw="{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;'&quot;,&quot;href&quot;:&quot;./Template:'&quot;},&quot;params&quot;:{},&quot;i&quot;:0}}]}" id="mwD-g" style="padding-left:0.1em;" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span></span>s <i id="mwD-k">Scientific<span id="mwD-o" typeof="mw:Entity"> </span>American Book of Mathematical Puzzles and Diversions</i>?