Sorry for your bad news. As said in upstair's post. you petition letter was poorly prepared. You did not show or convince the officer that you are recognized nationally or internationally. That is the essence of EB1-a category. Just listing the achievements you have made in your petition letter is far from enough.
You would have got approval notice instead of RFE notice if you had tried my EB1-a package and consultation service.
More questions, drop me a line yjy_wang@yahoo.com