Elements of the Theory of Computation

Harry R. Lewis is an esteemed author and computer scientist, recognized for his contributions to the fields of computer science and education. He served as a professor at Harvard University for over 30 years and authored the influential book 'Excellence Without a Soul: How a Great University Forgot Education,' which explores the challenges in higher education. Lewis is also known for his work 'Fundamentals of Computer Algorithms,' co-authored with others, which is regarded as a foundational text in the study of algorithms. His writing style is characterized by clarity and a focus on engaging a broad audience, making complex topics accessible to both students and general readers.

Christos H. Papadimitriou is a distinguished computer scientist and author, best known for his influential contributions to the fields of computer science and computational theory. Born in 1949 in Athens, Greece, he has authored several notable works, including 'Computational Complexity,' 'Algorithms', and 'Turing', which reflect his deep understanding of algorithms, complexity theory, and the philosophical implications of computation. Papadimitriou’s writing is characterized by its clarity and accessibility, often blending rigorous mathematical concepts with engaging narrative styles, making complex ideas understandable to a broader audience. He is also well-known for his engaging prose and ability to weave together personal anecdotes with scientific exposition, providing readers with a unique perspective on the interplay between technology and human experience.