Joseph Mankiewicz 
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SOURCE: Medium
12/9/2020
The Other ‘Mank’: Joe Mankiewicz and the Wildest Night in Hollywood History
by Greg Mitchell
The Netflix film "Mank" provides an opportunity to remember the civil liberties stand taken by Frank Mankiewicz's brother Joe, who opposed the imposition of loyalty oaths on the Directors' Guild at the height of the postwar red scare.