This Wednesday, May 4, I’m giving a public talk called The Man Who Loved Only Numbers at 6:30 PM at the Baruch College Conference Center (on the 14th Floor at 55 Lexington Ave. at 24th St.). Light food and refreshments will be served. I’ll be speaking about the eccentric Hungarian genius Paul Erdős, who lived out of two tattered bags for more than two decades, crisscrossing four continents and chasing mathematical problems in pursuit of lasting beauty and ultimate truth. After my talk, Joel Spencer, one of Erdős’s mathematical colleagues, will lead the audience in an interactive game—everyone will get a deck of cards—based on Erdős’s ideas. The evening is underwritten by the Simons Foundation and the Museum of Mathematics, an awesome new institution that will undoubtedly rock Manhattan when it opens late in 2012 (OK, I may be biased; I’m an adviser to the museum, which just raised $20 million and signed a lease for 20,000 square feet off Madison Park). Please spread the word about my May 4th talk to fellow geeks, and those who love them. The event is free, but you need a ticket by registering here.