“An honest examination of the sky forced him to displace the center of the spiral pattern away from us by more than half the galactic radius in the direction of Cygnus, and his drawing gives the impression of a man struggling with the truth and losing.” http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1995PASP..107.1133T&db_key=AST&page_ind=0&plate_select=NO&data_type=GIF&type=SCREEN_GIF&classic=YES This is an article about the 1920 debate on the existence of other galaxies

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