The original work of Alex Osborn making the creative process more explicit, and the following 50 years of research and development on creative problem solving, have made an important and wide-spread contribution to those interested in the deliberate development of creative talent. This article provided a summary of the many versions of creative problem solving and the key scholarly issues underpinning their development for one main group of collaborators. Future research and development needs were also identified. (Contains 6 figures and 2 tables.)