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The first U.S. patent for the laser went to Arthur Schawlow and Charles Townes 50 years ago this month. Both physicists won Nobels for the work, which — with that of ex-colleague Gordon Gould — has sparked decades of innovation and sci-fi fantasy. A look at the data.

Fifty Years of Lasers, by the Numbers

Typography by Julie Teninbaum

BY Erica Westly1 minute read

Physicist Gordon Gould spent millions of dollars fighting for his right to a laser patent, including signing away 80% of potential proceeds.

Still he wound up a rich man, earning several million dollars when he finally started receiving royalties in the late 1980s.

LaserDisc players were made for the consumer market from 1978 until 2009, when Pioneer, the last manufacturer, halted production.

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