Robinson, Frank M. "One Month in 1907"
Divergence: 1907 CE
What if: Hugo Gernsback was screwed in a business deal by Charles Ponzi.
Summary: The lives of the two men are swapped, with the former originating the infamous "Gernsback Scheme" and the latter sf magazines.
Published: In Alternate Outlaws (ed. Mike Resnick), q.v.