The oldest man in the world according to the Guinness Book of Records died on Wednesday in Puerto Rico at the age of 115, according to Deutsche Presse Agentur dpa. Emiliano Mercado Del Toro passed away at his home in the town of Isabela, "like a little angel," his family said, according to the online edition of the daily Primera Hora. The man was born in August 1891 and worked in the sugar cane industry.