Remembering David J. Farber: A Pioneer of the Internet

David J. Farber, often referred to as the “grandfather of the internet,” passed away on February 7, 2026, in Tokyo at the age of 91 due to heart failure. His career began in the mid-1950s at Bell Laboratories, where he witnessed the evolution of computers from isolated machines to interconnected devices. Farber's significant contributions to computer networking and communication laid the groundwork for the internet as we know it today.

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Farber was instrumental in training a generation of students who would become key figures in the development of Internet Protocol (I.P.), the foundational rules governing data exchange between computers. His mentorship of Jonathan Postel, a notable Ph.D. student, was particularly influential; their discussions in the early 1970s, often held in a Southern California pancake house, were pivotal in shaping the protocols that facilitate modern digital communication.

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In 2018, Farber took his expertise to Keio University in Tokyo, where he continued to teach and inspire students. His approach to education emphasized the importance of collaboration and innovation, traits that he embodied throughout his career. Farber's legacy is marked by his ability to foster talent and encourage groundbreaking ideas in the field of computer science.

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Following his passing, tributes poured in from the academic and tech communities. Many highlighted his role as an educator and innovator who significantly impacted the development of the internet. His son, Emanuel Farber, confirmed the news of his death, reflecting on his father's profound influence on technology and education.

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While Farber is celebrated for his contributions, some critics argue that the rapid expansion of the internet has led to challenges such as privacy concerns and misinformation. These discussions often reference the need for a balanced approach to technology that considers ethical implications alongside innovation.

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• “I ended up gaining 10 pounds,” Professor Farber recalled, reflecting on his collaborative meetings with Jonathan Postel at a pancake house. — David J. Farber

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• “an early architect” noted The New York Times, emphasizing his foundational role in shaping digital communication.

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As the tech community reflects on Farber's contributions, discussions about the future of internet governance and ethical technology use are likely to gain momentum. His passing serves as a reminder of the ongoing need for responsible innovation in the digital age.

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