For 10 points, who are these men, the elder of whom wrote The Protestant Ethic and the Spirit of Capitalism?
The first and last names are the same.  The younger was Russian-born, but came to the US and studied art in New York before returning to Paris to study under Matisse.  A leader of the Abstract Expressionists, his paintings include Three Literary Gentlemen, Latest News, and Chinese Restaurant.  The elder taught law and political economy in Germany before accepting the chair at Vienna of the discipline of which he is considered a founder.  For 10 points, who are these men, the elder of whom wrote The Protestant Ethic and the Spirit of Capitalism?
The first and last names are the same.  The younger was Russian-born, but came to the US and studied art in New York before returning to Paris to study under Matisse.  
Max Weber (Both names are required.)