What is Percy Bridgman known for?
I am known for two distinct but interconnected achievements. First, my experimental work on high-pressure physics, for which I received the Nobel Prize in 1946. I developed apparatus capable of generating pressures exceeding 100,000 atmospheres, and I used it to study the properties of materials under extreme conditions. Second, I am known for operationalism, a philosophy of science I articulated in *The Logic of Modern Physics* (1927). Operationalism holds that the meaning of any scientific concept is synonymous with the set of operations used to measure or define it. For example, the concept of 'length' is not an abstract property; it is defined by the specific operations of laying a measuring rod or timing a light signal. This approach was a direct response to the conceptual confusions I saw in relativity and quantum mechanics.
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