▁Sir ▁N ig el ▁G res ley , ▁British ▁steam ▁locomot ive ▁manufact urer , ▁world - record ▁holding ▁locomot ive , ▁Mall ard ▁ ▁Tim othy ▁H ack worth , ▁built ▁Hed ley ' s ▁P uff ing ▁Billy ▁and ▁locomot ives ▁for ▁the ▁Stock ton ▁and ▁Dar ling ton ▁Railway , ▁Part icip ant ▁in ▁the ▁Rain hill ▁tri als ▁ ▁William ▁Hed ley , ▁designer ▁of ▁the ▁P uff ing ▁Billy ▁ ▁Charles ▁L art igue , ▁L art igue ▁Mon or ail ▁ ▁Joseph ▁Lock e , ▁next ▁to ▁the ▁Steph ens ons ▁and ▁Brun el , ▁one ▁of ▁the ▁most ▁important ▁English ▁railway ▁pione ers ▁ ▁Thomas ▁New com en , ▁first ▁practical ▁static ▁steam ▁engine ▁ ▁Benjamin ▁Out ram , ▁civil ▁engineer , ▁survey or ▁and ▁industrial ist . ▁P ione er ▁in ▁the ▁building ▁of ▁can als ▁and ▁tram ways . ▁ ▁John ▁R ams bottom , ▁mechanical ▁engineer ▁who ▁invent ed ▁inter ▁al ia ▁the ▁R ams bottom ▁safety ▁val ve , ▁the ▁disp lacement ▁lub ric ator , ▁and ▁the ▁water ▁tr ough ▁ ▁Sir ▁Vincent ▁L itch field ▁R aven ▁K BE , ▁was ▁C ME ▁of ▁the ▁North ▁Eastern ▁Railway ▁from ▁ 1 9 1 0 ▁to ▁ 1 9 2 2 ▁ ▁George ▁Steph enson , ▁first ▁econom ically ▁us able ▁steam ▁locomot ive ▁ ▁Robert ▁Steph enson , ▁son ▁of ▁George , ▁winner ▁of ▁the ▁Rain hill ▁tri als ▁ ▁William ▁Str oud ley , ▁one ▁of ▁Britain ' s