▁engine . ▁ ▁Ax el ▁Vog t , ▁mechanical ▁engineer ▁of ▁the ▁Pennsylvania ▁Rail road ▁ 1 8 8 7 – 1 9 1 9 , ▁responsible ▁for ▁many ▁of ▁the ▁beautiful ly ▁proportion ed ▁and ▁eleg antly ▁designed ▁Pennsylvania ▁classes , ▁considerable ▁influence ▁on ▁modern ▁U . S . ▁locomot ive ▁design ▁ ▁George ▁West ing house , ▁designed ▁the ▁first ▁through ▁com pressed ▁air ▁bra ke ▁in ▁trains ▁ ▁Ross ▁Win ans , ▁pro l ific ▁invent or ▁and ▁builder ▁of ▁early ▁American ▁locomot ives ▁ ▁Other ▁countries ▁▁ ▁Alfred ▁Bel pa ire , ▁Belg ium , ▁C ME ▁and ▁Administr ative ▁President ▁of ▁Belg ian ▁State ▁Railway . ▁In vent or ▁of ▁Bel pa ire ▁fire box ▁ ▁Gast on ▁du ▁B ous quet , ▁France , ▁C ME ▁( ing én ieur ▁en ▁chef ▁tra ction ) ▁of ▁the ▁Chem in ▁de ▁Fer ▁du ▁Nord ▁ ▁Art uro ▁Cap rott i , ▁Italy , ▁invent ed ▁rot ating ▁cam ▁val ve ▁g ear ▁for ▁locomot ives , ▁the ▁Cap rott i ▁val ve ▁g ear ▁ ▁André ▁Chap el on , ▁France , ▁built ▁the ▁most ▁powerful ▁steam ▁locomot ives ▁in ▁Europe ▁ ▁Nicholas ▁C ug not , ▁France , ▁steam ▁coach ▁ ▁Alfred ▁de ▁G le hn , ▁France , ▁first ▁comp ound ▁locomot ive ▁with ▁ 4 ▁cyl ind ers ▁in ▁ 1 8 9 4 ▁ ▁Att ilio ▁Franco ▁and ▁Pier o ▁Cro st i , ▁Italy , ▁invent ed ▁the ▁Franco - C rost i