Exhibit 23.1

Consent of Independent Registered Public Accounting Firm
The Board of Directors
Research Frontiers Incorporated:

We hereby consent to the incorporation by reference in the
Prospectus constituting a part of this Registration
Statement of our report dated March 3, 2006, relating to
the consolidated financial statements, and schedule of
Research Frontiers Incorporated appearing in the
Company's Annual Report on Form 10-K for the year
ended December 31, 2005.We also consent to the
reference to us under the caption "Experts" in
the Prospectus.


                  /s/ BDO Seidman, LLP
                      BDO Seidman, LLP

 Melville, New York
 May 4, 2006