Akiyama Jin no Sūgaku Mystery

Jin Akiyama (Japanese: 秋山仁; born 1946) is a Japanese mathematician, known for his appearances on Japanese prime-time television (NHK) presenting magic tricks with mathematical explanations. He is director of the Mathematical Education Research Center at the Tokyo University of Science, and professor emeritus at Tokai University. Akiyama studied mathematics at the Tokyo University of Science, where one of his mentors was Takashi Hamada. He completed a graduate degree at Sophia University under the supervision of Mitio Nagumo, in differential equations, but soon shifted his interests to graph theory.