Ernst Haeckel was a physiologist, anatomy teacher, scientist and illustrator who lived in the 19th century. Haeckel is known as the inventor of oecology, or the study of the relationship between living beings. His magnum opus is a book entitled Kunstformen der Natur (Art Forms of Nature) in which he produced detailed colour illustrations of animals, sea creatures and microorganisms.

Illustrations from Kunstformen der Natur, The Seventh Continent, 16th Istanbul Biennial (TR)