Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Reeves Alec A1

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Reeves Alec A1

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Image title: 
Portrait of Alec Reeves
Credit line: 
AIP Emilio Segrè Visual Archives, Physics Today Collection

Portrait of Alec Reeves, British affiliate of the International Telephone and Telegraph Corporation and winner of the Stuart Ballantine award of the Franklin Institute for his communications invention known as 'pulse code modulation'. Mr. Reeves' discovery, termed one of the most important ever made in the field of communications, is a highly efficient means of compressing voice and other forms of information for transmission over crowded communication circuits.

Photo date: 
Original format: 
1 photographic print (black and white; 10 x 8 inches)
Reeves, Alec Harley