Exhibit 23 (a)

INDEPENDENT AUDITORS' CONSENT
We consent to the incorporation by reference in this Post-Effective Amendment
No. 11 to Registration Statement No. 033-91916 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 Statement of
Additional Information (which is incorporated by reference in the Prospectus of
the Company), which is part of the Registration Statement on Form N-4 of
Glenbrook Life Multi-Manager Variable Account (the "Account"), to the use of our
report dated March 31, 2004 relating to the financial statements of the Account,
Glenbrook Life and Annuity Company Variable Annuity Account and Glenbrook Life
Scudder Variable Account (A) also appearing in such Statement of Additional
Information and to the references to us under the heading "Experts" in such
Statement of Additional Information.

/s/ Deloitte & Touche LLP
Chicago, Illinois

April 13, 2004