The man who wrote it, John Gonsalves had passed away six years before that, but the postal service tracked down his widow Angelina who'd shared 61 years of marriage to John after the war.

写这封信的人，John Gonsalves在此之前6年就去世了，但邮政部门找到了他的遗孀Angelina，她在战后与John共同度过了61年的婚姻。