zDublo LNER Class: A1 4472Era3HOR R30207 Hornby Hornby Dublo LNER, A1 Class, 4 6 2, 4472 'Flying Scotsman' Era 3 The largest of the constituent companies that would become the famous LNER was the GNR, and their Chief Mechanical Engineer naturally adopted the same position in the newly formed company, a man by the name of Herbert Nigel Gresley. As the brains behind the locomotive stock of the GNR, he had commissioned a new high speed passenger locomotive class to serve the GNRs