Siebren van der Werf

Siebren van der Werf (born 1942) is a Dutch physicist and author of non-fiction books.

Van der Werf worked as a researcher at the Kernfysisch Versneller Instituut (nl) in Groningen. He retired in 2004.

After retirement, van der Werf concentrated on writing popular books and articles on navigation tools and atmospheric phenomena. In ''Drieduizend jaar navigatie op de sterren'' (2022) he discusses the development of the navigation tools from Ancient Greece and Polynesia to the 20th century. Provided by Wikipedia