Is Richard Firsten well known in the world of grammar?

I am unable to find any information about a grammarian named "Richard Firsten." It's possible this is a misspelling or an obscure name.

To help me find the information you're looking for, could you please provide:

* Any additional details about this person: Is there anything else you know about them, like their area of expertise or any books they might have written?

* The context of your inquiry: Are you looking for information about their contributions to grammar, or their general reputation?

With more details, I might be able to find the information you need.