Marx Brothers and the Marx Brothers. Most of the comedians provided their own voices for their animated counterparts, except for Fields and Chico Marx (both had died), and Zeppo Marx (who had left show business in 1933). Voice actor Paul Frees filled in for all three (no voice was needed for Harpo). The Marx Brothers' segment was a reworking of a scene from their Broadway play "I'll Say She Is", a parody of Napoleon that Groucho considered among the brothers' funniest routines. The sketch featured animated representations, if not the voices, of all four brothers. Romeo Muller is credited as having written
Marx after Sraffa Marx after Sraffa Marx after Sraffa is a 1977 book about Marxist economics by the economist Ian Steedman, in which the author argues against the labor theory of value. Steedman has been criticized for alleged misunderstandings of Karl Marx. The economist Heinz D. Kurz reviewed "Marx after Sraffa" in "Kyklos". The political scientist David McLellan wrote in the 1995 edition of his "" that Steedman's reading of Marx has been influential. The philosopher Roger Scruton wrote that Steedman provides the most notable argument against the labor theory of value from the New Left. The Marxist theorist Ernest Mandel considered "Marx