Finally gave up his scientific activities to become the secretary-general of the SDAP in Vienna, an office he held until 1914
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Finally gave up his scientific activities to become the secretary-general of the SDAP in Vienna, an office he held until 1914
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.