Hiroshi Yamamoto3D PUZZLE DESIGNER: Hiroshi Yamamoto is an incredibly popular Japanese puzzle collector and designer of a large number of mechanical puzzles. He is the originator of many puzzle concepts including STORMY SEAS(R) and LUNAR LOCKOUT(R). Hiroshi tutors jnior high school students who are preparing for the national entrance examinations for high school in Japan. He also writes for a mathematics magazine which is distributed locally. Presently, he is devoting himself to puzzles because he loves them. His goal is to "continue to design original things." Cool Circuits(TM) is one of his novel 3-dimensional puzzles and the first to be produced by ScienceWiz(R). Hiroshi Yamamoto lives in Matto City in Japan, which is about 374 miles (601 km) northwest from Tokyo. Read More Read Less