0000950130-97-001682 DEFA14A 1 19970414 NONE DEAN WITTER DISCOVER & CO 0000895421 6189 363145972 DE 1231 DEFA14A 34 001-11758 97580039 TWO WORLD TRADE CENTER NEW YORK NY 10048 2123922222 DEFA14A 1 000095013097001682-001-seq1-defa14a.txt ADDITIONAL PROXY SOLICITING MATERIALS