It's difficult to pinpoint an exact creation date for "Physics Analysis Workstation" as it's not a single, specific software package. Instead, it's a general term describing a system used for analyzing physics data.

Here's why it's hard to give a precise date:

* Evolution, not a single creation: These workstations often consist of various software tools, libraries, and frameworks combined together. These elements developed over time, with no clear "start" date.

* No single creator: Different institutions, researchers, and collaborations have built their own analysis workstations, making it impossible to pinpoint a single origin.

* Different usage: The term "Physics Analysis Workstation" can refer to a broad range of setups, from a simple desktop computer with specific software to more elaborate, dedicated systems.

Instead of a specific date, it's more useful to think of the development of physics analysis workstations as an ongoing process that continues to evolve with the advancements in computing power, data analysis techniques, and the needs of the physics community.

To get a more specific answer, you'd need to clarify:

* Which specific software or framework are you interested in? For example, ROOT, PAW, or other tools are widely used in physics analysis.

* Which research institution or experiment are you interested in? They might have their own specific workstation setups.

With more context, it might be possible to find information on the origins of the specific analysis workstation you're curious about.