Who first thought they had encountered the ten "lost tribes"?

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Who thought thy first encountered the ten lost tribes?

Who first thought the encountered the ten lost tribes.

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The person credited with first claiming to have encountered the ten "lost tribes" is James Edward Alexander, a British soldier and explorer. In 1843, he published a book titled "Transatlantic Sketches" in which he recounted his journey through the African continent and claimed to have come across one of the lost tribes. However, it is important to note that the concept of the lost tribes of Israel has been an ongoing topic of speculation and exploration among historians, archaeologists, and explorers for centuries.