Bruce Marcus, a trailblazer in legal and professional services PR, died Dec. 1 in New Haven. He was 89.

The author of 16 books such as "The Complete Guide to Marketing Professional Services and "New Dimensions in Investor Relations" handled PR and advertising for both Arthur Young & Co. Coopers & Lybrand.

He also was senior partner at the Financial Relations Board, staffer at Mobil and Ruder Finn and head of his own firm.

Marcus counseled Goldman Sachs, Lehman Brothers, Donald Lufkin & Jenrette, Citicorp, Chemical Bank, Puerto Rico and Turkey. He also was president of the New York Assn. of Business Economists.

Marcus was active on the political front as speechwriter former New York Senators Robert Kennedy and Jacob Javits.