Volkswagens, visionaries, and veterans

In a 2001 prank, UBC engineering students hung a red Volkswagen Beetle from which iconic bridge?
Vladimir Plavsic, the architect behind Thunderbird stadium, was also known for:
The designer of what iconic flag taught history at UBC?
What purpose did the towers at Tower Beach serve during WWII?
Who officially opened UBC’s International House, a meeting place for international students?