0000950131-02-001232 DEF 14A 1 20020514 20020328 GALLAGHER ARTHUR J & CO 0000354190 6411 362151613 DE 1231 DEF 14A 34 001-09761 02591060 TWO PIERCE PL ITASCA IL 60143 7087733800 DEF 14A 1 ddef14a.txt NOTICE & PROXY STATEMENT