MDT CORP /DE/

FY: Sep 10 1996

FY: Jul 15 1996

FY: Jul 1 1996

Q: Dec 31 1995

Q: Sep 30 1995

Q: Aug 14 1995

FY: Jun 29 1995

Q: Feb 14 1995

Q: Feb 14 1995

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

5

Certification of termination of registration of a class of securities (Section 12(g))

Definitive Proxy Statement

BRINSON PARTNERS INC/IL

HEARTLAND ADVISORS INC

TCW GROUP INC