JEFFREY S. ROSENTHAL is a professor of statistics at the University of Toronto. He received his BSc in mathematics, physics and computer science from the University of Toronto at the age of 20; his PhD in mathematics from Harvard University at the age of 24; and tenure at the age of 29. He has been awarded the CRM-SSC Prize, the SSC Gold Medal, Fellowship of the Royal Society of Canada and of the Institute of Mathematical Statistics, and the COPSS Presidents’ Award. He has also received teaching awards at both Harvard and U of T. Rosenthal’s first book, Struck By Lightning: The Curious World of Probabilities, was a national bestseller in Canada and was published in fourteen countries and in ten languages. Visit him at Probability.ca and on Twitter @ProbabilityProf. Despite being born on Friday the thirteenth, Rosenthal has had a very fortunate life.