ELI5: Explain Like I'm 5

David Kellogg Lewis

David Kellogg Lewis was a philosopher who studied how people think about the world and how it can be divided up into different pieces. He focused on things like how relationships, beliefs, and definitions can be used to think about the world. He also developed a set of theories about how things like time, space, and chance can be used to explain how things work. His work has been used to shape how people think about different issues in philosophy.