John F. Steward

URI: https://gptkb.org/entity/John_F._Steward
GPTKB entity
Statements (12)
Predicate Object
gptkbp:instanceOf gptkb:person
gptkbp:birthYear 1841
gptkbp:deathYear 1920
gptkbp:employer gptkb:Union_Switch_and_Signal_Company
https://www.w3.org/2000/01/rdf-schema#label John F. Steward
gptkbp:nationality gptkb:American
gptkbp:notableFor work on railroad signaling
gptkbp:occupation gptkb:engineer
gptkb:inventor
gptkbp:bfsParent gptkb:Powell_Expedition_of_1871–1872
gptkb:Powell_Geographic_Expedition_of_1871–1872
gptkbp:bfsLayer 7