Original: Albert Dean Rosellini (born January 21, 1910) was the 15th Governor of the state of Washington for two terms from 1957 to 1965 and was the first Italian American, Roman Catholic governor elected west of the Mississippi River.
Simplified: He is the oldest living person to have been a governor of a U.S. state, and was the first Italian American Catholic to become a governor of a state west of the Mississippi River.