Here's what Serebii has to say:
"It is with a heavy heart that today we learned that Nintendo President, Satoru Iwata, unfortunately passed away on July 11th. The man's legacy live through the Pokémon series as he was responsible for more than just supporting Pokémon, but he helped compress Gold & Silver to allow for the Kanto region to be included and he ported & recoded the battle engine over to Pokémon Stadium himself within a week. He will be sorely missed."
There goes the man that made Gold and Silver and, consequently, Crystal, HeartGold and SoulSilver such amazing games. RIP Satoru Iwata ;~;