Career
He served as part of the Spanish Republican Air Force, who fought the Spanish Civil War, with eight official victories. He went into exile from Spain. He moved to France, a country that welcomed him and where he died.
Born in Barcelona on September 27, 1916, he passed the entrance exams as a pilot in December 1936 and joined Aviacion in March 1937.
He officially became a pilot on October 31. During the Spanish Civil War, he completed 366 hours of flight and participated in 20 battles.
In his final battle on February 6, 1939, he shot down and killed Hans Nirminger. Sanmartin was exiled to France and obtained French citizenship.
He got a job in Toulouse as a civil engineer and retired in 1976.
He frequently cleaned the grave of Nirminger out of respect for his adversary. French journalist Pierre Challier wrote a biography of Sanmartín. He died from natural causes, aged 97.