Or Niels Steensen. Danish anatomist and geologist who converted to Catholicism. Was made a bishop. He died in 1686. www.newadvent.org/cathen/14286a.htm
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. www.uh.edu/engines/epi469.htm
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. www.strangescience.net/stensen.htm
Although "Steno's Law" refers to a principle of crystallography, Steno may be regarded as the founder of palaeontology. Article for amateur geologists and nonspecialists. www.edinburghgeolsoc.org/z_41_02.html
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. www.chlt.org/sandbox/lhl/dsb/page.30.php
Part of the Catholic Historical Archives in Copenhagen. Danish-English-German site includes an introduction to the archive, a biography and portrait, and information on the Steno bibliography. www.stenoarkiv.dk