Given the question: - death place is madrid , spain    - known for is spanish civil war communist leader    - caption is federico 1985 melchor from '' mundo obrero '' 19 september    - death date is 11 september 1985      - birth date is 10 april 1915      - nationality is spanish    - image is federico melchor.jpg    - birth place is madrid , spain    - occupation is journalist    Given the details above, guess who could this information be about.
The answer is:
federico melchor