Aegidius Sadeler II (Flemish b.1568, d.1629) VIAFISNILC
Anselm Boodt (c. 1550-1632), Flemish physician to Rudolf II; mineralogist and alchemist.
Anselmus Boetius de Boodt
Portrait at age 46. "In his chief work, Gemmarum et lapidum historia, Boodt made the first attempt at a systematic description of minerals. He enumerated about 600 minerals that he knew from personal observation, and described their properties, imitations, and medical applications." (Richard S. Westfall)