Born in July 1905, months before Albert Einstein published his theory of relativity, Masazo Nonaka is aged 112 years 259 days. THE  world’s oldest man has been named as 112-year-old Masazo Nonaka, whose secret to longevity is said to be eating sweets and taking hot baths. Born on 25 July 1905, months before Albert Einstein published his theory of special relativity, Mr Nonaka lives with his family who run a hot springs inn on Japan’s northern island of Hokkaido. The supercentenarian, whose exact age is 112 years 259 days, married his wife Hatsuno in 1931 and the couple had five children. Mr Nonaka has taken the Guinness World Records title as the oldest man on Earth…