On September 22, 1593, Swiss-born German master engraver and publisher Matthäus Merian der Ältere was born. He is best known for his 21-volume set of the Topographia Germaniae, which includes numerous town plans and views, as well as maps of most countries and a World Map.
On April 2, 1647, the German naturalist and scientific illustrator Maria Sibylla Merian was born. Even though she is not very well known for her achievements, she made significant contributions to entomology through the observation and documentation of the metamorphosis of the butterfly.