Yitang Zhang, a number theorist at the University of California, Santa Barbara, has posted a paper on arXiv that hints at the possibility that he may have solved the Landau-Siegel zeros conjecture. The paper has not yet been validated by anyone else at this time, and Zhang himself has yet to explain the purpose or even meaning of his paper. The paper posted by Zhang is not in a traditional format. There is no introduction or summation, or even any sort of explanation of its contents. Instead, it is a proof—a very long proof, 111 pages of math. Zahn does...