You can help expand this article with text translated from the corresponding article in Estonian. (August 2023) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Estonian Wikipedia article at [[:et:Ilmar Öpik]]; see its history for attribution. You may also add the template {{Translated|et|Ilmar Öpik}} to the talk page. For more guidance, see Wikipedia:Translation.

Ilmar Öpik (17 June 1917 Tallinn – 29 July 2001) was an Estonian energetics scientist, academician. ^[1]

In 1940 he graduated from Tallinn University of Technology as an engineer-mechanic. In 1963 he defended his doctoral thesis at Moscow Energetics Institute ( Estonian: Moskva Energeetika Instituut). Since 1946 he taught at Tallinn Polytechnical Institute. ^[1]

Since 1967 he became a member of Estonian Academy of Sciences. 1977-1978 he was the vice-president of the academy. 1984-1996 he was the chief editor of the journal Oil Shale. ^[1]

Much of his research was related to oil shale. ^[1]

Awards:

• 1996: Order of the National Coat of Arms, III class. ^[2]