USA Hot Topics - Walter Breuning (born September 21, 1896) is an American supercentenarian. At the age of 114, he is currently the 4th oldest verified person in the world after the death of Florrie Baldwin on May 8, 2010. He has been the oldest living man in the world since July 18, 2009, and the last known surviving man who was born in 1896. On his 110th birthday, Breuning was declared the oldest living retired railroader in the United States. The governor of Montana, Brian Schweitzer, and the city mayor attended his celebration. Since the death of Garland Adair on December 11, 2009, he and Jiroemon Kimura are the last two verified males who are still alive today who were born before the year 1900. Breuning is the oldest undisputed American-born man ever, and is currently the 7th oldest man ever. He is one of only five men in history to undisputedly reach 114 years or more of age.