J. R. Martindale
... that A. H. M. Jones called his assistant J. R. Martindale's contributions to the Prosopography a "worthy contender for the thirteenth labour of Hercules"?
... that <a href="./A._H._M._Jones" id="mwCf4" rel="mw:WikiLink" title="A. H. M. Jones">A. H. M. Jones</a> called his assistant <b id="mwCf8"><a href="./John_Robert_Martindale" id="mwCgA" rel="mw:WikiLink" title="John Robert Martindale">J.<span id="mwCgE" typeof="mw:Entity"> </span>R. Martindale</a></b><span about="#mwt116" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwCgI" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> contributions to the <i id="mwCgM"><a href="./Prosopography_of_the_Later_Roman_Empire" id="mwCgQ" rel="mw:WikiLink" title="Prosopography of the Later Roman Empire">Prosopography</a></i> a "worthy contender for the thirteenth <a href="./Labours_of_Hercules" id="mwCgU" rel="mw:WikiLink" title="Labours of Hercules">labour of Hercules</a>"?