Greta Kuckhoff, who later became a prominent figure in the DDR, was his administrative assistant in Frankfurt, leaving early in 1933 to study at the London School of Economics (LSE) and prepare for Mannheim's emigration there.
Greta Kučkov koja je kasnije postala važna ličnost u DDR je bila njegov administrativni asistent u Frankfurtu, napustila ga je početkom 1933. da bi studirala na Londonskoj školi ekonomije i pripremala za Manhajmovu emigraciju tamo.