Matthiessen, Ludwig References Matthiessen, Ludwig German physicist and zoologist Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: photoreception/ Lens eyes…discoverer, German physicist and zoologist Ludwig Matthiessen) and is used to determine the optical quality of lenses. Read More…discoverer, German physicist and zoologist Ludwig Matthiessen) and is used to determine the optical quality of lenses. Read More