Who is the most important man in Nintendo?

You have heard of them, Hiroshi Yamauchi, the third owner of nintendo from 1948 to 2002, Shigeru Miyamoto, creator of the Mario and Legend of Zelda series, Gunpei Yokoi one of the original designers of games, and game designer of the GameBoy, and Takashi Tezuka a famous producer and director. Which one of these men is best responsible for forming Nintendo of what it is today?