This person seems to be a very versatile person. He has outstanding talents in various fields. Although this person has outstanding performance in different fields, you also mentioned that this world has some similarities with the original world, such as the lack of other talents. This may mean that the history and culture of this world are somewhat different, causing the phenomenon to be different from that of the world. The man's achievements and contributions remain impressive in this unique context.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.