Who criticized Marx for focusing exclusively on economics and social class as explanations for human behavior and advocated sociological analyses that allowed for multiple influences?

Answer: Max Weber

Explanation: Even before his crisis, Weber had shown the influence of Marx's ideas when he juxtaposed, in a style full of reminiscences of the Communist manifesto, the personal domination of the pre-capitalist social order to the impersonal class government of the modern bourgeoisie. But this use of Marx was almost completely accidental.