While Hironobu Sakaguchi may not be a name you recognize, the titles of many of the games he played a vital role in have become classics along with forever influencing the landscape of roleplaying games. Since creating Final Fantasy in the late 80's, Sakaguchi has directed, produced, supervised or was behind the original concept of most of the Final Fantasy series as well as several monumental games of the time such as Chrono Trigger, Super Mario RPG: Legend of the Seven Stars, Xenogears along with Parasite Eve and its sequel among others.
Following his resignation from Square, Sakaguchi founded Mistwalker and since has released games on both the XBOX 360 and Nintendo DS, most notably Blue Dragon and Lost Odyssey. Currently he is working on a mysterious "large scale project" that very little is known about, and per a Happy New Year blog post, Mistwalker is also working on a project for the iPhone.
We don't know anything about this iPhone project yet, and with the secrecy surrounding Mistwalker, it's hard to say when we will. Regardless, you only need to head over to Hironobu Sakaguchi's Wikipedia entry to see the full scope of his influence on the history of video games. Needless to say, anything he has his hands on will be a welcome addition to the App Store.