When was Douglas Ross - physicist born?

There isn't enough information to answer this question. There are many physicists named Douglas Ross, and without further details, it is impossible to know which one you are referring to.

Please provide more context, such as:

* Full name: Is there a middle name or any other distinguishing detail?

* Area of expertise: What field of physics did he work in?

* Institution or location: Where did he work or study?

* Approximate time period: Do you know roughly when he lived or worked?

With more information, I can help you find the correct Douglas Ross and answer your question.