“A problem worthy of attack, proves its worth by fighting back!” – Paul ErdősBelow are some links to essays that I have written about Paul Erdős. Enjoy!Below are some pictures of Paul Erdős at work. (Courtesy of the Lehel family.) Enjoy!Celebrating the birthday of "Uncle" Paul Erdős and my wife with my daughters! She is so very patient with me.Some former students celebrating the birthday of Paul Erdős!