In 1885, Nikola Tesla was promised $50,000 by Thomas Edison if he could improve on his boss's designs for the direct current generators. When Tesla did the job, Edison claimed that he was joking, and instead offered him a $10/hour pay raise above his $18/hour salary. In our timeline, Tesla was insulted, and left Edison's company to work for Westinghouse.
What if Tesla let the bad joke slide and stayed with Edison?
What if Tesla let the bad joke slide and stayed with Edison?