<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL STATEMENTS CONTAINED IN THE MOST RECENT QUARTERLY REPORT ON FORM 10-Q OF RESEARCH FRONTIERS INCORPORATED FOR THE QUARTER ENDED MARCH 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> MAR-31-1999 <CASH> 4,823,633 <SECURITIES> 1,189,386 <RECEIVABLES> 66,088 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 6,242,386 <PP&E> 253,553 <DEPRECIATION> 0 <TOTAL-ASSETS> 6,519,693 <CURRENT-LIABILITIES> 277,553 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 10,952,930 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 6,519,693 <SALES> 50,625 <TOTAL-REVENUES> 117,052 <CGS> 0 <TOTAL-COSTS> 806,877 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (689,825) <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (689,825) <EPS-PRIMARY> (.06) <EPS-DILUTED> (.06)