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Giant Conquerors of Space and Time
Half sheet
"Giant Conquerors of Space and Time," a famous 1931 advertising poster and calendar illustration for the Pennsylvania Railroad (PRR).
Artwork Overview

Artist: Painted by Griffith "Grif" Teller (1899–1993), who was the primary artist for the Pennsylvania Railroad's annual wall calendars from 1928 to 1942.
Subject: The painting commemorates the nation's first "intermodal" transcontinental air/rail travel route, featuring a PRR K4s Pacific steam locomotive (specifically number 5495) alongside a Ford Tri-Motor airplane.
Context: It depicts a joint rail station and airport near Columbus, Ohio, where passengers would transfer between the PRR's "Airway Limited" train and Transcontinental Air Transport (TAT) planes.
Giant Conquerors of Space and Time (Poster)