Which of the following sociologists never wrote a book and about whose thoughts most of our knowledge is presented in an edited volume of his lectures published by his students after his death ?

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Which of the following sociologists never wrote a book and about whose thoughts most of our knowledge is presented in an edited volume of his lectures published by his students after his death ?

A. George Herbert Mead
B. Kari Marx
C. Em-ile Durkheim
D. Max Weber