Mathematician Paul Erdos, he of the Erdos number, tells a joke:
Here are some Erdos links:
- Reminiscences of Paul Erdos
- The Erdos Number Project
- Erdos and XKCD
- The book of books about Erdos: The Man Who Loved Only Numbers
- The Erdos centennial, in Hungary
The documentary “Erdos — N Is a Number”:
Paul Hoffman, author of The Man Who Loved Only Numbers, talks (at the Museum of Mathematics) about his experiences with Erdos: