of Light," Initial Condition podcast, Episode 9 "John A. Brashear" History Cover Page "Uncle John" Brashear Video Undaunted: The Forgotten Giants of the Allegheny Observatory WQED OnQ: John Brashear's Legacy 1840 births 1920 deaths American astronomers Scientists from Pittsburgh American scientific instrument makers American mechanical engineers University of Pittsburgh faculty Telescope manufacturers People from Brownsville, Pennsylvania Engineers from Pennsylvania