George. 1781–1848, British inventor of the first successful steam locomotive (1814); constructed the first railway line to carry passengers, the Stockton and Darlington Railway (opened 1825)
2.
his son, Robert. 1803–59, British engineer, noted for his construction of railway bridges and viaducts, esp the tubular bridge over the Menai Strait
Stephenson in American English
(ˈstivənsən)
1.
George1781-1848; Eng. engineer: developed the steam locomotive
2.
Robert1803-59; Eng. engineer & bridge builder: son of George