Courtesy of the Itoh family Tatsuo Itoh March 15, 2021 Tatsuo Itoh, distinguished professor of electrical and computer engineering at the UCLA Samueli School of Engineering, died at home on March 4. He was 80. Itoh led breakthroughs in using the microwave and millimeter-wave frequencies of the electromagnetic spectrum for electronics and communication technologies. In an illustrious career that spanned more than 50 years, Itoh was a prolific researcher who was among the world’s most influential in his fields of study. He was the adviser to more than 80 Ph.D. graduates, including 60 at UCLA Samueli, where he had taught since 1991 and was a beloved faculty member. Many of his former students are now faculty members at institutions worldwide, continuing his legacy as educators themselves.