Exhibit 23 (a)

INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Post-Effective Amendment
No. 2 to Registration Statement No. 333-88870 of Glenbrook Life and Annuity
Company (the "Company") on Form S-3 of our report dated February 4, 2004
relating to the financial statements and the related financial statement
schedules of the Company appearing in the Annual Report on Form 10-K of the
Company for the year ended December 31, 2003, to its use in the Statements of
Additional Information (which are incorporated by reference in the Prospectuses
of the Company), which are part of Registration Statements No. 333-55306, No.
333-62922 and No. 333-65826 of Glenbrook Life Multi-Manager Variable Account and
Registration Statement No. 333-69660 of Glenbrook Life and Annuity Company
Separate Account A, to the use of our report dated March 31, 2004 relating to
the financial statements of Glenbrook Life Multi-Manager Variable Account also
appearing in such Statements of Additional Information, and to the use of our
report dated March 31, 2004 relating to the financial statements of Glenbrook
Life and Annuity Company Separate Account A also appearing in such Statement of
Additional Information.

We also consent to the references to us under the heading "Experts" appearing
herein and in such Statements of Additional Information.




/s/ Deloitte & Touche LLP

Chicago, Illinois
April 13, 2004