Clifford Stein is a prominent computer scientist known for his contributions to algorithms and data structures. He is a professor at Columbia University, where he teaches and conducts research in areas such as graph theory and optimization. His work has significantly influenced both theoretical and practical aspects of computer science. In addition to his academic role, Stein is a co-author of the widely used textbook, Introduction to Algorithms, which is a key resource for students and professionals in the field. His research has been published in various journals, and he is recognized for his efforts in advancing the understanding of complex computational problems.