Blessed_Nicolaus_Steno

Bl. Niels Stensen - Profile of the scientist turned Catholic priest.
Blessed Nicholas Steno (1638–1686): Natural-History Research and Science of the Cross - Frank Sobiech sketches the process which led Steno from Lutheranism to the Catholic Church.
Catholic Encyclopedia: Nicolaus Steno - Or Niels Steensen. Danish anatomist and geologist who converted to Catholicism. Was made a bishop. He died in 1686.
Embassy of Denmark, Washington D.C.: Nicolaus Steno - A substantial biography of the natural scientist, which also devotes some attention to his faith.
Engines of Our Ingenuity: Nicolaus Steno - 3 1/2-minute radio program in RealAudio, and a transcript, about the scientist who was fascinated by the question of solid formations within rocks.
History of Geology: Nicolaus Steno - An introduction, for adults, to this anatomist and his contributions to geological theory.
Nicholas Steno (1638-1686) - Essay on Steno's contributions to geology and particularly to the theory of fossil formation.
Nicolas Steno - Biographical article on the scientist and bishop beatified by the Catholic Church.
Nicolaus Steno (1638-1686) - Long article on the talented anatomist whose observations set a course for modern geology.
Nicolaus Steno, Niels Stenson (1638-1686) - Brief biographical profile of the scientist and churchman.
Niels Stensen - Although he sometimes relied on theories later discredited, this scientist established some basic principles still in use today. Short essay on the man and his discoveries.
Steno, Nicolaus - Short biographical article in the 1911 Encyclopædia Britannica. Some scanner errors.
Stensen, Niels - Six-page entry from the Dictionary of Scientific Biography, including bibliography, by Gustav Scherz. Site also has a digitized version of the Prodromus, in Latin.