0000950130-97-001928 DEFA14A 1 19970428 NONE DEAN WITTER DISCOVER & CO 0000895421 6199 363145972 DE 1231 DEFA14A 34 001-11758 97588222 TWO WORLD TRADE CENTER NEW YORK NY 10048 2123922222 DEFA14A 1 000095013097001928-001-seq1-defa14a.txt ADDITIONAL PROXY SOLICITATION MATERIALS