George F. Cahill (1869–1935) was an American inventor who made night

baseball Baseball is a bat-and-ball games, bat-and-ball sport played between two team sport, teams of nine players each, taking turns batting (baseball), batting and Fielding (baseball), fielding. The game occurs over the course of several Pitch ...

games possible by inventing glareless duplex floodlight projectors. New York Times:GEORGE F. CAHILL, 66, INVENTOR, DIES HERE; Devised Floodlight Projector That Made Night Sports Events Possible;October 15, 1935
/ref> Magic music from the telharmonium; By Reynold Weidenaar;pp 263-365
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References

1869 births 1935 deaths American inventors People from Holyoke, Massachusetts Baseball people {{US-inventor-stub