NIW 140 RFE help

Please help, What should I do? Many thanks in advance for all suggestion.

details:

Please describe specifically all of this petitioner's
exact prior achievements and how these have influenced
his field. How does the petitioner's work compare to
others in this field? Have experts in this field
recognized the petitioner's work? How do the
petitioner's publication separate him from others in
the field. Documentary evidence such as letters from
experts attesting to the beneficiary's influence in
his field.

TSC
RD: 7/2/07
LUD: 8/12/07; 1/22/08
RFE: 1/18/08