Last name Kortum (Kortum 
) , in the entire world, is quite a rare surname. The cognomen Kortum is characteristic of Germany, where it is a rare surname, Netherlands, and Australia. Not in comparison with a country's population, it is commonest in Germany, the United States, and Australia.
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| Kortum | United Kingdom, Netherlands, Australia, Germany, United States |
| renatus andreas kortum DE (b. 1674) |
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carl arnold kortum German physician, DE (b. 1745) |
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| gottfried michael kortum DE (b. 1699) |
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| ernest traugott kortum (1742-1811), PL (b. 1742) |
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| karol ludwik kortum Polish chemist and physicist, PL (b. 1749) |
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| carl georg theodor kortum German physician, DE (b. 1765) |
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| johann carl arnold kortum (b. 1772) |
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hermann kortum German mathematician (1836-1904), DE (b. 1836) |
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herbert kortum German physicist (1907-1979), DE (b. 1907) |
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| friedrich wilhelm kortum (b. 1856) |
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| heinrich kortum (b. 1908) |
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| gerhard kortum German professor, DE (b. 1941) |
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| samuel kortum economist (Yale University; National Bureau of Economic Research (NBER)) (b. 1960) |
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| roger kortum (b. 1963) |
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| herbert kortum Dr. rer. nat. Friedrich-Schiller-Universität Jena 1930 |
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