“In his 1930 book, Dirac took for granted that measurements could be made, but was very vague about what was actually involved.”

—  Willis Lamb

W. E. Lamb, Sequential measurements in quantum mechanics, in Quantum Measurements and Chaos, E. R. Pike and S. Sarkar, eds. (Plenum, New York, 1987) pp. 183-193.

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American Physicist 1913–2008

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