Mark Shepherd
... that Mark Shepherd, who served as CEO of Texas Instruments where he spearheaded development of the firms' integrated circuits, constructed a vacuum tube at the age of six and a radio a year later?
... that <b id="mwB_s"><a href="./Mark_Shepherd_(businessman)" id="mwB_w" rel="mw:WikiLink" title="Mark Shepherd (businessman)">Mark Shepherd</a></b>, who served as CEO of <a href="./Texas_Instruments" id="mwB_0" rel="mw:WikiLink" title="Texas Instruments">Texas Instruments</a> where he spearheaded development of the firms' <a href="./Integrated_circuit" id="mwB_4" rel="mw:WikiLink" title="Integrated circuit">integrated circuits</a>, constructed a <a href="./Vacuum_tube" id="mwB_8" rel="mw:WikiLink" title="Vacuum tube">vacuum tube</a> at the age of six and a radio a year later?