For anyone interested in learning more about Erdos, he has a fascinating life story well told in The Man Who Loved Only Numbers: The Story of Paul Erdös and the

For anyone interested in learning more about Erdos, he has a fascinating life story well told in The Man Who Loved Only Numbers: The Story of Paul Erdös and the Search for Mathematical Truth by Paul Hoffman. It's available for free on Open Library: https://openlibrary.org/books/OL354306M/ https://openlibrary.org/books/OL354306M/