Xu Chi
... that after Xu Chi published his biography of mathematician Chen Jingrun, the latter received a sackful of love letters?
... that after <b id="mw8A"><a href="./Xu_Chi" id="mw8Q" rel="mw:WikiLink" title="Xu Chi">Xu Chi</a></b> published his biography of mathematician <a href="./Chen_Jingrun" id="mw8g" rel="mw:WikiLink" title="Chen Jingrun">Chen Jingrun</a>, the latter received a sackful of love letters?