Paul E. Green, 85, of Broomall, a marketing professor at the Wharton School of the University of Pennsylvania and a prolific writer, died Friday, Sept. 21, at Sunrise of Paoli.

Mr. Green, the S.S. Kresge Professor of Marketing at Wharton, wrote more than 160 books and 1,400 articles on the field.

He addressed thousands of students, faculty, and marketing practitioners at universities and professional meetings around the world. He held positions in the industry as a statistician and research analyst.

Mr. Green earned a bachelor's degree in mathematics and economics and master's and doctoral degrees in statistics, all at Penn. He joined the faculty in 1961.

Over his long career, Mr. Green received many major marketing awards, including the American Marketing Association's Charles Coolidge Parlin Marketing Research Award and its Irwin/McGraw-Hill Distinguished Marketing Educator Award.

In 1996, the association established the Paul E. Green Award in his honor. The award recognizes the best article in the Journal of Marketing Research that demonstrates the greatest potential to contribute significantly to the field.

Mr. Green was an avid skier and enjoyed music and playing the piano.

He is survived by daughters Patricia A. Rush and Carol Rickard; a son, Kenneth P. Green; a sister; five grandchildren; and five great-grandchildren. His wife, Elizabeth "Betty" Green, preceded him in death.

Services were private.