Georges Charpak developed the multiwire proportional chamber, replacing repeated photographic recording with electronic measurements of charged-particle passages. Ionization electrons drift through a gas toward thin wires; the strong local electric field produces avalanches and readable pulses. Knowing which wires respond supplies spatial information, while the electrical output permits rapid processing of many events. This connects microscopic ionization with the practical rate and position resolution of a particle detector.[ref]
The Use of Multiwire Proportional Counters to Select and Localize Charged Particles by Georges Charpak and others. 1968, multiwire counter construction, localization and proportional response
A physicist who developed electronic particle detectors at CERN.[ref]
Professional profile of Georges Charpak. Independent professional identity
Portrait of Georges Charpak
. Photographe de la Ville de Saint-Dié-des-Vosges, dans le cadre de sa mission ; scan par Ji-Elle. CC BY-SA 4.0, via Wikimedia Commons. Source.
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