Percy Delf Smith
... that artist Percy Delf Smith's work included lettering using Roman capitals and depictions of the First World War inspired by his experiences in the trenches?
... that artist <b id="mwBAk"><a href="./Percy_Delf_Smith" id="mwBAo" rel="mw:WikiLink" title="Percy Delf Smith">Percy Delf Smith</a></b><span about="#mwt66" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwBAs" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> work included <a href="./Lettering" id="mwBAw" rel="mw:WikiLink" title="Lettering">lettering</a> using <a href="./Roman_square_capitals" id="mwBA0" rel="mw:WikiLink" title="Roman square capitals">Roman capitals</a> and depictions of the <a href="./World_War_I" id="mwBA4" rel="mw:WikiLink" title="World War I">First World War</a> inspired by his experiences in the trenches?