English engineer and one of the pioneers of radio, worked in service of both world wars, discovered principles of electroluminescence for light emitting diodes, Sonar, and held 117 patents. He and his wife had two sons and five daughters, his son John Round dying in World War II.[1]
↑ "England and Wales Birth Registration Index, 1837-2008," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2XJ5-96C : 1 October 2014), Henry Joseph Round, 1881; from "England & Wales Births, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Birth Registration, Stourbridge, Worcestershire, England, citing General Register Office, Southport, England.
↑ "England and Wales Census, 1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:W156-MN2 : 4 May 2019), Joseph Round, Cheltenham, Gloucestershire, England, United Kingdom; from "1891 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 12, Gloucestershire county, subdistrict, The National Archives of the UK, Kew, Surrey.
↑ Henry J Round & Olive W Evans, Dec 1911 Fulham 1a 813, FreeBMD
↑ "England and Wales Death Registration Index 1837-2007," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVC2-Z42M : 4 September 2014), Henry J Round, 1966; from "England & Wales Deaths, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Death, Chichester, Sussex, England, General Register Office, Southport, England.
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