UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 5)*

                            MEMBERWORKS INCORPORATED
                                (Name of Issuer)

                     Common Stock, par value $.01 per share
                         (Title of Class of Securities)

                                   586002 10 7
                                 (CUSIP Number)

                                 August 12, 2002
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

|_| Rule 13d-1(b)
|x| Rule 13d-1(c)
|_| Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



CUSIP No.  586002 10 7
--------------------------------------------------------------------------------
    1    NAMES OF REPORTING PERSONS

         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)

            Thomas W. Smith
--------------------------------------------------------------------------------
    2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP          (a) |_|
                                                                   (b) |x|
--------------------------------------------------------------------------------
    3    SEC USE ONLY

--------------------------------------------------------------------------------
    4    CITIZEN OR PLACE OF ORGANIZATION

               United States
--------------------------------------------------------------------------------
                             5   SOLE VOTING POWER

         NUMBER OF                   839,188
                             ---------------------------------------------------
          SHARES             6   SHARED VOTING POWER

       BENEFICIALLY                1,375,700
                             ---------------------------------------------------
       OWNED BY EACH         7   SOLE DISPOSITIVE POWER

         REPORTING                   839,188
                             ---------------------------------------------------
          PERSON             8   SHARED DISPOSITIVE POWER

           WITH                    1,375,700
--------------------------------------------------------------------------------
    9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         2,214,888
--------------------------------------------------------------------------------
    10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

         Not Applicable
--------------------------------------------------------------------------------
    11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

         16.0%
--------------------------------------------------------------------------------
    12   TYPE OF REPORTING PERSON

         IN
--------------------------------------------------------------------------------


                                        2


CUSIP No.  586002 10 7
--------------------------------------------------------------------------------
    1    NAMES OF REPORTING PERSONS

         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)

            Thomas N. Tryforos
--------------------------------------------------------------------------------
    2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP          (a) |_|
                                                                   (b) |x|
--------------------------------------------------------------------------------
    3    SEC USE ONLY

--------------------------------------------------------------------------------
    4    CITIZEN OR PLACE OF ORGANIZATION

               United States
--------------------------------------------------------------------------------
                             5   SOLE VOTING POWER

         NUMBER OF                    34,608
                             ---------------------------------------------------
          SHARES             6   SHARED VOTING POWER

       BENEFICIALLY                1,375,700
                             ---------------------------------------------------
       OWNED BY EACH         7   SOLE DISPOSITIVE POWER

         REPORTING                    34,608
                             ---------------------------------------------------
          PERSON             8   SHARED DISPOSITIVE POWER

           WITH                    1,375,700
--------------------------------------------------------------------------------
    9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,410,308
--------------------------------------------------------------------------------
    10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

         Not Applicable
--------------------------------------------------------------------------------
    11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

         10.2%
--------------------------------------------------------------------------------
    12   TYPE OF REPORTING PERSON

         IN
--------------------------------------------------------------------------------


                                        3


ITEM 1. (a) Name of Issuer:

            Memberworks Incorporated

        (b) Address of Issuer's Principal Executive Offices:

            9 West Broad Street
            Stamford, CT  06902

ITEM 2. (a) Name of Person Filing:

            (i)   Thomas W. Smith

            (ii)  Thomas N. Tryforos

            The filing of this Statement shall not be deemed to be an admission
            that the filing persons comprise a "group" within the meaning of
            Section 13(d)(3) of the Securities Exchange Act of 1934, as amended.

        (b) Address of Principal Business Office:

            The following is the address of the principal business office of
            each of the filing persons:

            323 Railroad Avenue
            Greenwich, CT  06830

        (c) Citizenship:

            Each of Messrs. Thomas W. Smith and Thomas N. Tryforos is a United
            States citizen.

        (d) Title of Class of Securities:

            Common Stock, par value $.01 per share.

        (e) CUSIP Number:

            586002 10 7

ITEM 3. If this Statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
        (c), check whether the person filing is a:

        Not applicable.

        If this Statement is filed pursuant to Rule 13d-1(c), check this box [x]


                                        4


ITEM 4. Ownership

        (a)     Thomas W. Smith - 2,214,888 shares; Thomas N. Tryforos
                -1,410,308 shares

        (b)     Thomas W. Smith - 16.0%; Thomas N. Tryforos -10.2%

        (c)     Each of Thomas W. Smith and Thomas N. Tryforos has shared power
                to vote or to direct the vote and shared power to dispose or to
                direct the disposition of 1,375,700 shares. Thomas W. Smith has
                sole power to vote and dispose of 839,188 shares and Thomas N.
                Tryforos has sole power to vote and dispose of 34,608 shares.

ITEM 5. Ownership of Five Percent or Less of a Class

        Not applicable.

ITEM 6. Ownership of More than Five Percent on Behalf of Another Person

        Messrs. Smith and Tryforos beneficially own 1,514,888 shares in their
        capacities as investment managers for certain managed accounts. The
        managed accounts have the right to receive dividends from, and the
        proceeds from the sale of, the managed accounts' shares.

ITEM 7. Identification and Classification of the Subsidiary Which Acquired
        the Security Being Reported on By the Parent Holding Company

        Not applicable.

ITEM 8. Identification and Classification of Members of the Group

        Not applicable.

ITEM 9. Notice of Dissolution of Group

        Not applicable.

ITEM 10. Certification

        By signing below, I certify that, to the best of my knowledge and
        belief, the securities referred to above were not acquired and are not
        held for the purpose of or with the effect of changing or influencing
        the control of the issuer of the securities and were not acquired and
        are not held in connection with or as a participant in any transaction
        having that purpose or effect.


                                        5


                                    Signature

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Date: September 5, 2002

                                                     /s/ Thomas W. Smith
                                                   -------------------------
                                                        Thomas W. Smith


                                                     /s/ Thomas N. Tryforos
                                                   -------------------------
                                                        Thomas N. Tryforos


                                        6


                             JOINT FILING AGREEMENT

      The undersigned agree that the foregoing Statement on Schedule 13G, dated
September 5, 2002, is being filed with the Securities and Exchange Commission on
behalf of each of the undersigned pursuant to Rule 13d-1(k)

Dated: September 5, 2002

                                                     /s/ Thomas W. Smith
                                                   -------------------------
                                                        Thomas W. Smith


                                                     /s/ Thomas N. Tryforos
                                                   -------------------------
                                                        Thomas N. Tryforos


                                        7