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November 16, 2016

Pittsburgh Aviator Calbraith Perry Rodgers

A young adventurer from Pittsburgh, Calbraith Perry Rodgers, defied odds and changed aviation forever after completing the world’s first transcontinental flight in 1911.

September 28, 2016

Samuel Langley: Pioneering Standard Time

The Allegheny Observatory, founded in 1859, has been integral to plenty of advancements in astronomical research. However, one of its most interesting contributions – accurate timekeeping – primarily benefited another important industry: railroads.

August 17, 2016

John Brashear’s Forgotten Time Capsule

Aug. 14 marks the anniversary of the day in 1894 when astronomer and instrument maker John Brashear, along with a group of his employees, placed a small time capsule box in the cornerstone of their workshop building in Observatory Hill.