A Rhetorical device is a technique, sometimes called a resource of language, used by an author to induce an emotional response from the reader. These emotional responses are central to the meaning of the work.
... Dumont d'Urville, (1790-1842), explorer of the Pacific and Antarctica
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Eric the Red, (c.950-1003), explored and colonized Greenland
Leif Ericsson, (born 970), ...