Helmut Ormestad

{{Short description|Norwegian physicist (1913–1993)}}

{{Use dmy dates |date=December 2023}}Helmut Ormestad (12 May 1913 – 10 August 1993) was a Norwegian physicist{{cite encyclopedia |title=Helmut Ormestad |encyclopedia=Store norske leksikon |publisher=Kunnskapsforlaget |location=Oslo |url=http://www.snl.no/Helmut_Ormestad |language=Norwegian | accessdate=16 June 2010}}{{cite web|url= http://www.naturfag.no/artikkel/vis.html?tid=2051334|title= 100 år siden Helmut Ormestad og Otto Øgrim ble født

|publisher = naturfag.no|accessdate= January 1, 2017 }} and researcher at the University of Oslo, specializing in acoustics. In 1983, he was awarded the Cappelen Prize{{cite encyclopedia|title=Cappelenprisen |first=Vidar |last=Iversen |encyclopedia=Store norske leksikon |editor-last=Bolstad | editor-first=Erik | editor-link= |publisher=Norsk nettleksikon |location=Oslo |url=https://snl.no/Cappelenprisen |language=no |access-date=13 September 2022}} (a literary award) for co-writing the physics textbook series Rom Stoff Tid with fellow Norwegian physicists Otto Øgrim and Kåre Lunde.{{cite web|url= https://lokalhistoriewiki.no/index.php/Otto_%C3%98grim|title= Otto Øgrim|publisher = lokalhistoriewiki|accessdate= January 1, 2017 }}{{cite web|url= https://sveinsjoberg.com/2015/05/25/en-hyllest-til-fysikk-pa-roterommet/|title= Otto Øgrim og Helmut Ormestad |publisher = sveinsjoberg.com |author=Svein Sjøberg|author-link=Svein Sjøberg|accessdate= January 1, 2017 }}