EXHIBIT 31.2              CERTIFICATION

I, Joseph M. Harary, the President, Chief Executive Officer,
Treasurer and Chief Accounting Officer of  Research Frontiers
Incorporated ("RFI" or the "registrant") certify that:

1. I have reviewed this quarterly report on Form 10-Q of RFI;

2. Based on my knowledge, this report does not contain any untrue
statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the
circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

3. Based on my knowledge, the consolidated financial statements,
and other financial information included in this report, fairly
present in all material respects the financial condition, results of
operations and cash flows of the registrant as of, and for, the
periods presented in this report;

4. The registrant's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal control over financial reporting (as defined in Exchange
Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have :

a) designed such disclosure controls and procedures, or caused
such disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made known
to us by others within those entities, particularly during the period
in which this report is being prepared;

b) designed such internal control over financial reporting, or
caused such internal control over financial reporting to be designed
under our supervision, to provide reasonable assurance regarding
the reliability of financial reporting and the preparation of
consolidated financial statements for external purposes in
accordance with generally accepted accounting principles;

c)  evaluated the effectiveness of the registrant's disclosure controls
and procedures and presented in this report our conclusions about
the effectiveness of the disclosure controls and procedures, as of
the end of the period covered by this report based on such
evaluation; and

d) disclosed in this report any change in the registrant's internal
control over financial reporting that occurred during the
registrant's most recent fiscal quarter (the registrant's fourth
fiscal quarter in the case of an annual report) that has
materially affected,or is reasonably likely to materially affect,
the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed,
based on our most recent evaluation of internal control over
financial reporting, to the registrant's auditors and the audit
committee of the registrant's board of directors (or persons
performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design
or operation of internal control over financial reporting which are
reasonably likely to adversely affect the registrant's ability to
record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or
other employees who have a significant role in the registrant's
internal control over financial reporting.

Dated: November 5, 2009    /s/ Joseph M. Harary
                               Joseph M. Harary
                        President, CEO Treasurer, Principal Executive
                        and Accounting Officer