"Dr. Robert G. Cooper is the creator of the world-famous Stage-Gate® process, and was named the “World’s Top Innovation Management Scholar” by the prestigious U.S. Journal of Product Innovation Management and is a Fellow of the Product Development and Management Association (PDMA). He has combined practical consulting with ground-breaking research for many years. Besides his best-selling books “Winning at New Products” and “Portfolio Management for New Products”, he has published more than 130 articles on R&D and innovation management." (http://www.bobcooper.ca/)
Cooper, R.G., Kleinschmidt, E.J. New products: What separates winners from losers? The Journal of Product Innovation Management 4(3), pp. 169-184. 1987 (788 citations - Scopus)
Cooper, R.G. Stage-gate systems: A new tool for managing new products. Business Horizons, 33(3), pp. 44-54.1990 (736 citations - scopus)