Emiliano Mercado del Toro

Emiliano Mercado del Toro (August 21, 1891 – January 24, 2007) was a Puerto Rican longevity record-holder and military veteran who was, at age 115, the world's oldest person following the death of 116-year-old Elizabeth Bolden on December 11, 2006, and the world's oldest man from November 19, 2004 (death of Fred H. Hale, Sr.) until his own death on January 24, 2007.
At the time of his death in January 2007, at the age of 115 years and 156 days, Mercado was the second oldest fully validated male ever, behind Danish-American Christian Mortensen's record of 115 years 252 days, Although Shigechiyo Izumi was still believed to be older at the time of his death. Izumi's record was withdrawn by Guinness World Records in 2010.
He is also the oldest validated person ever in the history of Puerto Rico. On 21 May 2006, he reached the age of 114 years, 273 days, surpassing the previous recordholder, Ramona Trinidad Iglesias-Jordan's final age.
He was the last remaining undisputed person born in 1891, and the last remaining undisputed male person born before 1895. After Mercado's death, Emma Tillman took over as the world's oldest person, but died 4 days later.