Other Magazine Awards

In case it isn't obvious from the following, the 1957 Worldcon took place in the UK.

American Professional Magazine

1957 Astounding

British Professional Magazine

1957 New Worlds

Fan Magazine

1957 Science-Fiction Times (James V. Taurasi, Sr., Ray Van Houten, and Frank Prieto, eds.)

1956 Inside & Science Fiction Advertiser (Ron Smith, ed.)

1955 Fantasy Times (James V. Taurasi, Sr. and Ray Van Houten, eds.)

Best Magazine

1965 Analog

1958 Fantasy & Science Fiction

1956 Astounding

1955 Astounding