Their quest to catalog every piece of human thought led to the creation of the , a system built on the bones of the Dewey Decimal Classification but designed for far more than just books. The Vision: The Mundaneum
The UDC divides all human knowledge into ten main "houses" (classes), numbered 0 to 9: universal decimal classification
In the late 19th century, two Belgian visionaries, and Henri La Fontaine , looked at the world’s exploding volume of information and saw a looming "Pit of Despair"—a future where human knowledge would be lost simply because it couldn't be found. Their quest to catalog every piece of human