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

baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding t ...

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