'''Sir Nigel Gresley''' (1876-1941) was one of the most famous of all the British designers of steam [[locomotive]]s, in particular express steam locomotives such as the A4 Pacific class, the most famous of which is ''[[Mallard (locomotive)|Mallard]]'', which since the 1930s has officially held the world record for the fastest steam locomotive. | '''Sir Nigel Gresley''' (1876-1941) was one of the most famous of all the British designers of steam [[locomotive]]s, in particular express steam locomotives such as the A4 Pacific class, the most famous of which is ''[[Mallard (locomotive)|Mallard]]'', which since the 1930s has officially held the world record for the fastest steam locomotive. |