Ernest O. Thompson
... that Ernest O. Thompson, a Texas businessman, politician, and petroleum expert, received a battlefield promotion during World War I for developing improved machine gun tactics?
... that <b id="mwAws"><a class="new" data-mw-i18n='{"title":{"lang":"x-page","key":"red-link-title","params":["Ernest O. Thompson"]}}' href="./Ernest_O._Thompson?action=edit&amp;redlink=1" id="mwAww" rel="mw:WikiLink" title="Ernest O. Thompson" typeof="mw:LocalizedAttrs">Ernest O. Thompson</a></b>, a <a href="./Texas" id="mwAw0" rel="mw:WikiLink" title="Texas">Texas</a> <a class="mw-redirect" href="./Businessman" id="mwAw4" rel="mw:WikiLink" title="Businessman">businessman</a>, <a href="./Politician" id="mwAw8" rel="mw:WikiLink" title="Politician">politician</a>, and  <a href="./Petroleum" id="mwAxA" rel="mw:WikiLink" title="Petroleum">petroleum</a> expert, received a <a href="./Battlefield_promotion" id="mwAxE" rel="mw:WikiLink" title="Battlefield promotion">battlefield promotion</a> during <a href="./World_War_I" id="mwAxI" rel="mw:WikiLink" title="World War I">World War I</a> for developing improved <a href="./Machine_gun" id="mwAxM" rel="mw:WikiLink" title="Machine gun">machine gun</a> <a href="./Military_tactics" id="mwAxQ" rel="mw:WikiLink" title="Military tactics">tactics</a>?