SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                 --------------

                                  SCHEDULE 13D

                                 (Rule 13d-101)

                 INFORMATION TO BE INCLUDED IN STATEMENTS FILED
                    PURSUANT TO RULE 13d-1(a) AND AMENDMENTS
                    THERETO FILED PURSUANT TO RULE 13d-2(a)

                               (AMENDMENT NO. 1)*

                            Michael Baker Corporation
--------------------------------------------------------------------------------
                                (Name of issuer)

                    Common Stock, par value $1.00 per share
--------------------------------------------------------------------------------
                         (Title of class of securities)

                                    057149106
--------------------------------------------------------------------------------
                                 (CUSIP number)

                              Matthew J. Day, Esq.
                        118 E. 25th Street, Eighth Floor
                            New York, New York 10010
                                 (212) 673-0484
--------------------------------------------------------------------------------
                  (Name, address and telephone number of person
                authorized to receive notices and communications)

                                 April 28, 2004
--------------------------------------------------------------------------------
             (Date of event which requires filing of this statement)

     If  the  filing  person has previously filed a statement on Schedule 13G to
report  the  acquisition that is the subject of this Schedule 13D, and is filing
this  schedule  because  of  Rule  13d-1(e),  13d-1(f)  or  13d-1(g),  check the
following  box [ ].

               Note.  The Schedules filed in paper format shall include a signed
          original  and five copies of the schedule, including all exhibits. See
          Rule  13d-7(b)  for  other  parties  to  whom  copies  are to be sent.


                         (Continued on following pages)

                               (Page 1 of 9 Pages)

-------------------------------

     *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  disclosures  provided  in  a  prior  cover  page.

     The  information  required on 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 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. 057149106                              Page  2  of  9  Pages
---------------------------------                 ------------------------------


                                  SCHEDULE 13D

--------------------------------------------------------------------------------
       1     NAME OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
             Acquisitor  Holdings  (Bermuda)  Ltd.
             No  I.R.S.  Identification  Number
--------------------------------------------------------------------------------
       2     CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF A GROUP*  (a)  [ ]
                                                                       (b)  [X]
--------------------------------------------------------------------------------
       3     SEC  USE  ONLY

--------------------------------------------------------------------------------
       4     SOURCE  OF  FUNDS
             WC

--------------------------------------------------------------------------------
     5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
             TO ITEM 2(d) OR 2(e)                                            [ ]

--------------------------------------------------------------------------------
     6       CITIZENSHIP OR PLACE OR ORGANIZATION
             Bermuda

--------------------------------------------------------------------------------
                 7.     SOLE VOTING POWER
NUMBER OF               299,000
SHARES          ----------------------------------------------------------------
BENEFICIALLY     8.     SHARED VOTING POWER
OWNED BY                0
EACH            ----------------------------------------------------------------
REPORTING        9.     SOLE DISPOSITIVE POWER
PERSON                  299,000
WITH            ----------------------------------------------------------------
                10.     SHARED DISPOSITIVE POWER
                        0
--------------------------------------------------------------------------------
     11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            299,000
--------------------------------------------------------------------------------
     12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES           [ ]
            CERTAIN SHARES*
--------------------------------------------------------------------------------
     13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
            3.6%
--------------------------------------------------------------------------------
     14     TYPE OF REPORTING PERSON*
            CO
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  3  of  9  Pages
---------------------------------                 ------------------------------


                                  SCHEDULE 13D

--------------------------------------------------------------------------------
       1     NAME OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
             J O Hambro Capital Management Group Limited
             No  I.R.S.  Identification  Number
--------------------------------------------------------------------------------
       2     CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF A GROUP*  (a)  [ ]
                                                                       (b)  [X]
--------------------------------------------------------------------------------
       3     SEC  USE  ONLY

--------------------------------------------------------------------------------
       4     SOURCE  OF  FUNDS
             AF

--------------------------------------------------------------------------------
     5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
             TO ITEM 2(d) OR 2(e)                                            [ ]

--------------------------------------------------------------------------------
     6       CITIZENSHIP OR PLACE OR ORGANIZATION
             England

--------------------------------------------------------------------------------
                 7.     SOLE VOTING POWER
NUMBER OF               0
SHARES          ----------------------------------------------------------------
BENEFICIALLY     8.     SHARED VOTING POWER
OWNED BY                87,900
EACH            ----------------------------------------------------------------
REPORTING        9.     SOLE DISPOSITIVE POWER
PERSON                  0
WITH            ----------------------------------------------------------------
                10.     SHARED DISPOSITIVE POWER
                        87,900
--------------------------------------------------------------------------------
     11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            87,900
--------------------------------------------------------------------------------
     12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES           [ ]
            CERTAIN SHARES*
--------------------------------------------------------------------------------
     13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
            1.1%
--------------------------------------------------------------------------------
     14     TYPE OF REPORTING PERSON*
            HC
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  4  of  9  Pages
---------------------------------                 ------------------------------


                                  SCHEDULE 13D

--------------------------------------------------------------------------------
       1     NAME OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
             J O Hambro Capital Management Limited
             No  I.R.S.  Identification  Number
--------------------------------------------------------------------------------
       2     CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF A GROUP*  (a)  [ ]
                                                                       (b)  [X]
--------------------------------------------------------------------------------
       3     SEC  USE  ONLY

--------------------------------------------------------------------------------
       4     SOURCE  OF  FUNDS
             AF

--------------------------------------------------------------------------------
     5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
             TO ITEM 2(d) OR 2(e)                                            [ ]

--------------------------------------------------------------------------------
     6       CITIZENSHIP OR PLACE OR ORGANIZATION
             England

--------------------------------------------------------------------------------
                 7.     SOLE VOTING POWER
NUMBER OF               0
SHARES          ----------------------------------------------------------------
BENEFICIALLY     8.     SHARED VOTING POWER
OWNED BY                87,900
EACH            ----------------------------------------------------------------
REPORTING        9.     SOLE DISPOSITIVE POWER
PERSON                  0
WITH            ----------------------------------------------------------------
                10.     SHARED DISPOSITIVE POWER
                        87,900
--------------------------------------------------------------------------------
     11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            87,900
--------------------------------------------------------------------------------
     12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES           [ ]
            CERTAIN SHARES*
--------------------------------------------------------------------------------
     13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
            1.1%
--------------------------------------------------------------------------------
     14     TYPE OF REPORTING PERSON*
            IA
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  5  of  9  Pages
---------------------------------                 ------------------------------


                                  SCHEDULE 13D

--------------------------------------------------------------------------------
       1     NAME OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
             Christopher Harwood Bernard Mills
             No  I.R.S.  Identification  Number
--------------------------------------------------------------------------------
       2     CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF A GROUP*  (a)  [ ]
                                                                       (b)  [X]
--------------------------------------------------------------------------------
       3     SEC  USE  ONLY

--------------------------------------------------------------------------------
       4     SOURCE  OF  FUNDS
             AF

--------------------------------------------------------------------------------
     5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
             TO ITEM 2(d) OR 2(e)                                            [ ]

--------------------------------------------------------------------------------
     6       CITIZENSHIP OR PLACE OR ORGANIZATION
             England

--------------------------------------------------------------------------------
                 7.     SOLE VOTING POWER
NUMBER OF               0
SHARES          ----------------------------------------------------------------
BENEFICIALLY     8.     SHARED VOTING POWER
OWNED BY                87,900
EACH            ----------------------------------------------------------------
REPORTING        9.     SOLE DISPOSITIVE POWER
PERSON                  0
WITH            ----------------------------------------------------------------
                10.     SHARED DISPOSITIVE POWER
                        87,900
--------------------------------------------------------------------------------
     11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            87,900
--------------------------------------------------------------------------------
     12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES           [ ]
            CERTAIN SHARES*
--------------------------------------------------------------------------------
     13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
            1.1%
--------------------------------------------------------------------------------
     14     TYPE OF REPORTING PERSON*
            IN
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  6  of  9  Pages
---------------------------------                 ------------------------------


                                  SCHEDULE 13D

--------------------------------------------------------------------------------
       1     NAME OF REPORTING PERSONS
             I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
             American Opportunity Trust plc
             No  I.R.S.  Identification  Number
--------------------------------------------------------------------------------
       2     CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF A GROUP*  (a)  [ ]
                                                                       (b)  [X]
--------------------------------------------------------------------------------
       3     SEC  USE  ONLY

--------------------------------------------------------------------------------
       4     SOURCE  OF  FUNDS
             WC

--------------------------------------------------------------------------------
     5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
             TO ITEM 2(d) OR 2(e)                                            [ ]

--------------------------------------------------------------------------------
     6       CITIZENSHIP OR PLACE OR ORGANIZATION
             England

--------------------------------------------------------------------------------
                 7.     SOLE VOTING POWER
NUMBER OF               0
SHARES          ----------------------------------------------------------------
BENEFICIALLY     8.     SHARED VOTING POWER
OWNED BY                87,900
EACH            ----------------------------------------------------------------
REPORTING        9.     SOLE DISPOSITIVE POWER
PERSON                  0
WITH            ----------------------------------------------------------------
                10.     SHARED DISPOSITIVE POWER
                        87,900
--------------------------------------------------------------------------------
     11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            87,900
--------------------------------------------------------------------------------
     12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES           [ ]
            CERTAIN SHARES*
--------------------------------------------------------------------------------
     13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
            1.1%
--------------------------------------------------------------------------------
     14     TYPE OF REPORTING PERSON*
            IV
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  7  of  9  Pages
---------------------------------                 ------------------------------

                               AMENDMENT NO. 1 TO
                               ------------------
                            STATEMENT ON SCHEDULE 13D
                            -------------------------

     This  Amendment  No.  1  to  Statement on Schedule 13D (the "Amendment") is
filed  on  behalf  of  the  undersigned  (the "Filing Parties").  This Amendment
amends  the  Statement  on  Schedule  13D  filed  by the Filing Parties with the
Securities  and  Exchange  Commission (the "SEC") on May 27, 2003 (the "Schedule
13D").  Capitalized  terms  used herein and not otherwise defined shall have the
same  meanings  ascribed  to  them  in  the  Schedule  13D.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

Item 3 is hereby amended and restated as follows:

     The  aggregate  purchase  price  of  the  299,000  shares  of  Common Stock
beneficially  held  by  Acquisitor  Holdings  (Bermuda)  Ltd.  ("Acquisitor") is
$3,001,362 (including brokerage fees and expenses).  All of the shares of Common
Stock  beneficially  held  by Acquisitor were paid for using its working capital
funds.

     The  aggregate  purchase  price  of  the  87,900  shares  of  Common  Stock
beneficially held by American Opportunity Trust is $769,323 (including brokerage
fees  and  expenses).  All  of  the  shares of Common Stock beneficially held by
American  Opportunity  Trust  were  paid  for  using  its working capital funds.


ITEM 5. INTEREST IN SECURITIES OF THE ISSUER.

Item 5 is hereby amended and restated as follows:

     (a)-(b) The aggregate number and percentage of the outstanding Common Stock
of  the Issuer beneficially owned (i) by each of the Filing Parties, and (ii) to
the  knowledge  of the Filing Parties, by each other person who may be deemed to
be  a  member  of  a  group,  is  as  follows:




                                             Number of         Number of
                               Aggregate    Shares: Sole     Shares: Shared
                               Number of  Power to Vote or  Power to Vote or  Approximate
Filing Party                    Shares        Dispose           Dispose       Percentage*
------------------------------------------------------------------------------------------
                                                                  
Acquisitor                       299,000           299,000                 0         3.59%
J O Hambro Group                  87,900                 0            87,900         1.06%
J O Hambro Capital Management     87,900                 0            87,900         1.06%
Christopher H. B. Mills           87,900                 0            87,900         1.06%
American Opportunity Trust        87,900                 0            87,900         1.06%

------------------------------------------------------------------------------------------
     *  Based  on  8,319,998  shares of Common Stock, par value $1.00 per share,
outstanding  as  of February 27, 2004, as reported in the Issuer's Annual Report
on  Form  10-K,  for  the  year  ended  December  31,  2003.




---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  8  of  9  Pages
---------------------------------                 ------------------------------


     (c) During the past 60 days, the Filing Parties effected no transactions in
the Common Stock other than those set forth in the following table:



--------------------------------------------------------------------------------
                                                            Number of
  Date                Filing Party             Buy or Sell    Shares     Price
---------  ----------------------------------  -----------  ----------  --------
                                                            
4/19/2004  Acquisitor Holdings (Bermuda) Ltd.      Sell       (50,000)  $12.5000
---------  ----------------------------------  -----------  ----------  --------
4/28/2004  Acquisitor Holdings (Bermuda) Ltd.      Sell       (50,000)  $12.6000
--------------------------------------------------------------------------------


     All of the above transactions were effected on the open market.

     (d)  No  person other than the Filing Parties is known to have the right to
receive,  or  the power to direct the receipt of dividends from, or the proceeds
from  the  sale  of,  such  shares  of  Common  Stock.

     (e)  The Filing Parties ceased to be five percent (5%) beneficial owners of
the  shares  of  Common  Stock  of  the  Issuer  on  April  28,  2004.




---------------------------------                 ------------------------------
CUSIP  No. 057149106                              Page  9  of  9  Pages
---------------------------------                 ------------------------------


                                    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.

Dated: April 30, 2004



ACQUISITOR HOLDINGS (BERMUDA) LTD.


By:  /s/  Duncan  Soukup
------------------------
Name:  Duncan  Soukup
Title:  Deputy  Chairman