Horkheimer’s Marxism was more historically self-reflective than Grunberg’s

Evidence

The differences between his approach and that of his predecessor were immediately apparent. Instead of simply labeling himself a good Marxist, Horkheimer turned to the history of social philosophy to put its current situation in perspective. — Martin Jay, The Dialectical Imagination, 148

Categorization

• ADDENDUM: The contrast between organizational loyalty-Maxism (Grunberg) and critical self-reflective theory (Horkheimer) supports the general argument in the chapter about how the Institute’s style shifted.
• XREF: connects to: Marx’s own theory anticipated its eventual negation as historical ideology; Marx’s own theory is historically conditioned and will be negated; Horkheimer rejected vulgar Marxists’ passive materialism by reviving Marx’s active, dialectical epistemology — Martin Jay, The Dialectical Imagination: A History…, 219 (+4 more)

Broader Connections

• Marx’s own theory anticipated its eventual negation as historical ideology #complicates (0.80)
• Horkheimer rejected vulgar Marxists’ passive materialism by reviving Marx’s active, dialectical epistemology #expands (0.80) — Martin Jay, The Dialectical Imagination, 219
• Marx’s own theory is historically conditioned and will be negated #expands (0.75)