Alfred V. Aho is a foundational figure in computer science. He is best known for his influential books like "Data Structures and Algorithms" and "Compilers, Principles, Techniques, and Tools," which are essential texts for understanding programming and software development.
Jeffrey D. Ullman is a foundational figure in computer science, particularly known for his work on automata theory and formal languages. His book, "Introduction to Automata Theory, Languages, and Computation," is a standard text in the field.
John E. Hopcroft is a foundational figure in computer science. His work, particularly "Introduction to Automata Theory, Languages, and Computation," is a cornerstone for anyone studying theoretical computer science.