He was a researcher at the University of Oslo who specialized in acoustics. He was known for his ability to impart knowledge on physics. He was a co-writer of the textbook series Rom Stoff Tid, together with Otto Øgrim and Kåre Lunde, for which he was awarded the Cappelen Prize in 1983. 
- "Helmut Ormestad". Store norske leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 16 June 2010.
- "100 år siden Helmut Ormestad og Otto Øgrim ble født". naturfag.no. Retrieved January 1, 2017.
- "Otto Øgrim". lokalhistoriewiki. Retrieved January 1, 2017.
- Svein Sjøberg. "Otto Øgrim og Helmut Ormestad". sveinsjoberg.com. Retrieved January 1, 2017.
Jahn Otto Johansen
|Recipient of the Cappelen Prize
(shared with Otto Øgrim,
Lars Saabye Christensen,
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