People John G. Trump American electrical engineer (1907–1985)21 August 1907 – 21 February 1985 Frederick Trump14 March 1869 – 27 May 1918Elizabeth Christ Trump10 October 1880 – 6 June 1966 John G. Trump21 August 1907 – 21 February 1985 ParentsFrederick Trump14 March 1869 – 27 May 1918Elizabeth Christ Trump10 October 1880 – 6 June 1966SiblingsFred Trump11 October 1905 – 25 June 1999OwnsHHigh Voltage Engineering Corporationfounded 19 December 1946FoundedHHigh Voltage Engineering Corporationfounded 19 December 1946 From Wikipedia and Wikidata (public domain), updated daily.