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wacław olszak
Polish physician, CZ
(b. 1868)
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heinrich olszak
AT
(b. 1887)
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wacław olszak
Polish engineer, PL
(b. 1902)
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henryk olszak
Polish speedway rider, PL
(b. 1957)
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celina olszak
Polish economist, PL
(b. 1958)
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feliks olszak
PL
(b. 1904)
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wiesław olszak
Polish engineer (1925-2018), PL
(b. 1925)
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wojtek olszak
PL
(b. 1976)
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jerzy olszak
politician
(b. 1941)
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zbigniew olszak
Ph.D. Politechnika Wrocławska 1978
(b. 1946)
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norbert olszak
French legal historian
(b. 1950)
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anne olszak
French politician, FR
(b. 1971)
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grzegorz olszak
PL
(b. 1969)
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paweł olszak
(b. 1970)
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tomasz olszak
researcher ORCID ID = 0000-0001-8631-8084
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) , in the world, is quite a rare cognomen. The family name Olszak is characteristic of Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and Czechia. Not in comparison with a country's population, the name is most common in Poland, the United States, and Germany. More frequently, Olszak is the forename as well as the last name.