In 1736, on a visit to the house of the botanist Johannes Burman (1706-1779), Clifford was introduced to an up-and-coming young Swedish botanist, Carl Linnaeus, who was living and working there.

The database contains images of the butterfly specimens upon which Linnaeus based his descriptions. Linnaeus described 305 taxa under the name Papilio. Of these, 241 refer to currently valid butterfly ...

CARL LINNAEUS: What's up ... The system I devised classified different organisms through hierarchy. Hierarchy meaning how important and powerful each organism is. This determines each organism's ...

Each wrote a massive, unfinished compendium that tried to sort information into facts and facts into a hierarchy of knowledge ...