About Otto Steiger
Lived 1858 – 1923 (aged 64–65). Otto Steiger was a Swiss scientist, engineer, inventor and design engineer.
Otto Steiger (1858–1923) was a Swiss engineer. Steiger came from St. Gallen and lived in Munich.
Steiger is known for the invention and construction of the Millionaire mechanical calculator, the first commercially successful direct multiplication calculator (German patent 1892).
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Important facts
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Contemporaries
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Frequently asked questions
Who was Otto Steiger?
Swiss engineer (mechanical calculator)
When was Otto Steiger born?
Otto Steiger was born on 16 September 1858 in Bauma.
When did Otto Steiger die?
Otto Steiger died in 1923.
What was Otto Steiger's occupation?
Otto Steiger was a scientist, engineer, inventor and design engineer.
What nationality was Otto Steiger?
Otto Steiger was Swiss.
Sources & further reading
· DBpedia: Otto Steiger (engineer)
Cite this page
APA: Biography.guide. (2026). Otto Steiger. https://biography.guide/otto-steiger-scientist/
MLA: "Otto Steiger." Biography.guide, https://biography.guide/otto-steiger-scientist/.
Chicago: "Otto Steiger." Biography.guide. https://biography.guide/otto-steiger-scientist/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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