Douglas E. Comer is a distinguished Professor of Computer Science at Purdue University and a Fellow of the ACM. Comer has experience with both hardware and software. He has created many low-level software systems including TCP/IP protocol software, compilers, device drivers, and an operating system. At Bell Labs, he built a VLSI chip. As a member of the IAB, he participated in the formation of the Internet, and he is considered a leading authority on computer-related topics. A pioneer in the development of curriculum and laboratories for research and education, his popular books has been translated into 16 languages. Comer consults for industry, and has lectured to thousands of professional engineers and students around the world. He is editor-in-chief of the journal Software: Practice and Experience.