page_title: List of Russian IT developers
section_title: O
hierarchical_section_title: List of Russian IT developers / Alphabetical list / O
caption_attribution_description: English: 19th century portrait of Willgodt Theophil Odhner, Swedish-Russian engineer and inventor Русский: Вильгодт Теофил Однер — русский механик, изобретатель арифмометра
context_page_description: This list of Russian IT developers includes the hardware engineers, computer scientists and programmers from the Russian Empire, the Soviet Union and the Russian Federation.
  See also Category:Russian computer scientists and Category:Russian computer programmers.
context_section_description: Willgodt Theophil Odhner, inventor of the Odhner Arithmometer, the most popular mechanical calculator in the 20th century
caption: Odhner
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