The oldest man to climb Mt Everest is Yuichiro Miura (Japan, b. 12 October 1932), who reached the summit on 23 May 2013 at the age of 80 years 223 days. This is the third time that he has held this record: he previously reached the highest point on Earth as the world's oldest summiteer in 2003 and again at 2008.
He was helicoptered off the mountain from Base 2
Comments below may relate to previous holders of this record.