Sources
Works and records cited in this dossier. Numbered references in the account lead to entries here.
- Wiggershaus Frankfurt Governance Reconstruction Rolf Wiggershaus. 1995.
Complete existing research record
Frankfurt founding-circle dossier
Full-time researcher from 1925. Documented USPD, VKPD, and KPD memberships are recorded separately. His Stalinist commitments led to an open 1938 rupture with Horkheimer's circle; he later became anti-communist.
Geography
Frankfurt, England, and New York. Locations are recorded only at the precision supported by the sources.
Assessment boundary
Formal membership, employment, funding, collaboration, political affiliation, and intellectual influence remain separate relations. Open the full evidence memo
Why this person matters
Full-time Institute research associate from 1925 who joined the New York group in 1934.
Verification boundary
Membership, employment, collaboration, and influence are recorded as different relationship types. Shared membership is preserved as evidence but is not treated as proof of agreement or influence by itself.
Verified relationship
memberOfInstitute: Institute for Social Research
Evidence basis
Research Memo: Frankfurt Institute to Columbia