Location #1: German Embassy

At 1475 Massachusetts Avenue Northwest, Washington, D.C., United States

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Location #2: Klopstockstrasse Second Rate Hotel

Hamburg, Germany

Note from the webmaster: Exact location unknown. I’m not sure if this structure still stands.

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Location #3: In Manhattan

At 1 Bowling Green, Manhattan, New York, United States

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Location #4: Laboratory

1111 Marcus Avenue, New Hyde Park, Long Island, New York, United States

* A contribution by Ray Brown!

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Location #5: In Portugal

At Rossio Square, Lisbon, Portugal