Walter Breuning

Walter Breuning (September 21, 1896 – April 14, 2011) was an American supercentenarian and former railroader, and at the time of his death the oldest living man in the United States for more than two years after the 107 days older George Francis's death on December 27, 2008, as well as the world's oldest living man for almost 21 months after the, on the same day as George Francis born, British World War I-veteran Henry Allingham's death at 3:10 a.m. the night of July 18, 2009 WEST (=8:10 p.m. the evening of July 17, 2009 MDT).
Biography.
Breuning was born on September 21, 1896, in Melrose, Minnesota. Breuning was married to Agnes C. Breuning (née Twokey) from 1922 until her death in 1957. Lastly he married Margaret Breuning (née Vanest) from 1958 until her death in 1975.
He was a colorectal cancer survivor. From March 31, 2011 (the same day as Shelby Harris, who succeeded Breuning as the oldest living man in the United States, celebrated his 110th birthday), Breuning was hospitalized for an unspecified illness, possibly pneumonia.
He died of natural causes at the hospital on April 14, 2011 at 3:30 p.m. aged 114 years, 205 days and was survived by his niece, 3 nephews, and a great niece and nephews. He was succeeded as the oldest living man by Japanese Jiroemon Kimura, who later became the oldest man ever, and was (until Kimura surpassed his age) the third-oldest man in history, after Christian Mortensen and Emiliano Mercado del Toro.