Still one of the greatest moments in Nobel history. At 2:15 a.m. on Oct. 12, 2020, a security camera caught Prof. Emeritus Robert Wilson in slippers at Prof. Paul Milgrom's front door. The longtime collaborators, who lived across the street from each other, had jointly won the Sveriges Riksbank Prize in Economic Sciences for their contributions to auction design — but only one had been reachable by phone in the middle of the night.