Alex Osborn was an American advertising executive and the co-founder of the BBDO advertising agency. He is best known for developing the concept of brainstorming, a creative technique that encourages group idea generation without criticism. His work in advertising helped shape modern marketing strategies. In addition to his contributions to advertising, Osborn authored several books, including "Your Creative Power," where he outlined methods for enhancing creativity. His ideas have influenced various fields, including business, education, and design, making him a significant figure in the study of creativity and innovation.