Thomas Kirkman
... that despite leaving school at age 14, Thomas Kirkman became one of 19th-century England's leading mathematicians and helped found combinatorial design theory?
... that despite leaving school at age 14, <b id="mwA-4"><a href="./Thomas_Kirkman" id="mwA-8" rel="mw:WikiLink" title="Thomas Kirkman">Thomas Kirkman</a></b> became one of 19th-century England's leading mathematicians and helped found <a href="./Combinatorial_design" id="mwA_A" rel="mw:WikiLink" title="Combinatorial design">combinatorial design</a> theory?