Flourens Delannoy

From Witcher Wiki

Flourens Delannoy was a linguist and a historian who lived roughly 200 years after the end of the Witcher series. He is the author of Fairytales and Stories, a collection of the Nordlings' legends and myths. It features stories from and about the time of Geralt and his contemporaries.

He is mentioned in the Encyclopaedia Maxima Mundi.