Alejandro Goicoechea Omar was a Spanish military engineer born in 1895 in Elorrio, Vizcaya who invented the Talgo train in 1942. He spent his life traveling the world as an engineer before dying in Madrid in 1984. The document provides biographical details about Alejandro Goicoechea Omar, the inventor of the Talgo train, including his place of birth, occupation, invention of the Talgo in 1942, travels during his life, and place and year of death in 1984 in Madrid.