zDublo LNER Class: A1 103Era3HOR R30210 Hornby Dublo: LNER, A3 Class, 4 6 2, 103 '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 London to