Contents:
- Charles Hertzfeld — had a great lunch
- Peter Kirstein — connected the Queen to the Internet
- Leonard Kleinrock — created a mathematical model of a packet network
- John Klensin — participated in everything
- John Postel — created SMTP, IANA, and RFC 200
- Louis Pouzin — invented the datagram
- Lawrence Roberts — really didn't want to, but designed it ARPANET

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Learn moreIn 2012, the Internet Society established the Internet Hall of Fame Award. This award is presented in three categories reflecting the significance of contributions to the development and popularization of the Internet. The award recognizes achievements that have helped shape the modern internet space and its culture.
- Pioneers—those who stood at the origins of the network;
- Global "Connectors"—those who spread the internet around the world;
- Innovators—those who made significant technological, commercial, and political contributions to the development of the network.
In this article, we introduce the second group of Pioneers in the Hall of Fame. These outstanding individuals have made significant contributions to the development of their field and deserve recognition for their achievements. We examine their achievements and impact on modern society, as well as their role in shaping the historical context. Hall of Fame pioneers become a symbol of inspiration for future generations, emphasizing the importance of striving for excellence and innovation.
Charles Hertzfeld — Had a Successful Lunch

In 1961, Hertzfeld witnessed the U.S. Department of Defense testing new ballistic missiles in the Pacific Ocean. After each launch, the military collected extensive data, using radar and infrared sensors to analyze the results. These tests played a key role in the development of ballistic technology and the strengthening of the country's defense capabilities. The information gained from the tests helped improve missile performance and enhance security during the Cold War.
Hertzfeld pondered how to effectively extract useful information from this vast amount of data. While pondering this problem, his appetite grew, and he invited Joseph Licklider, a leading expert in information technology, to have lunch. These dinners marked a turning point in the development of computer science and laid the foundations for future research in data processing and artificial intelligence.
Licklider's visionary vision inspired him to describe how the human brain and computing machines would interact, and how people could work simultaneously with different computers connected by a network. These ideas so impressed Hertzfeld that six years later, as director of ARPA, he awarded a $1 million grant to create a computer network—the ARPANET. This initiative became the foundation for the subsequent development of the internet and network communications technology.
Peter Kirstein — connected the Queen to the Internet

Peter Kirstein is an outstanding figure who In 1976, he connected the Queen of England to the internet by creating the email address HME2 (Her Majesty, Elizabeth II) for her. However, his achievements were not limited to this event. In 1973, Kirstein initiated the creation of the first ARPANET node in Europe at the University of London and remained a key figure in the development of the internet in the UK for many years. His contributions to the development of networking technologies and the Internet have had a significant impact on global communications.
Leonard Kleinrock — created a mathematical model of the packet network

Leonard Kleinrock was a key figure in the development of the ARPANET, which became the foundation for the internet. He mathematically justified the idea of packet data transmission, which was an important step in the development of networking technologies. The first ARPANET node was installed in his lab at the University of California, Los Angeles, in September 1969. Just a month later, Kleinrock led the transmission of the first message on the network. The term "packet" was coined by Donald Davis, but it was Kleinrock who provided mathematical proof of the viability of the concept, which contributed to the further development of network communications.
The first message to be sent was supposed to be the word "login." The essence of the experiment was that the operator from UCLA would send this message to log in, and the operator from Stanford would confirm its successful display on the screen. However, on the letter "g," Stanford's memory overflowed, and in the end, only "lo" was received. An hour later, the experiment was repeated, and this time everything was successful.
John Klensin - participated in everything

John Klensin did not become famous thanks to to a single outstanding scientific discovery or idea. His contribution to the development of the Internet can be characterized by the phrase "jack of all trades." He took part in the creation of the ARPANET and wrote more than 40 RFCs (Request for Comments), which became the fundamental standards for the functioning of the Internet. Klensin made significant contributions to the formation of network architecture and protocols, which played a key role in the development of the modern Internet.
Unlike specialists in technology and mathematics, Klensin studied political science at MIT. His research interest was in how new communication tools could change the social and political sciences. This interest became the basis for his transition to the field of information technology.
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I was actively involved in the process, sharing advice and suggesting various approaches to the work. My goal was to understand all existing systems as a whole, rather than focusing only on individual elements. This holistic approach allows us to solve problems more effectively and achieve our goals.
John Klensin on his role in ARPANET
John Klensin played a key role in the development of ARPANET, one of the first networks that laid the foundation for the modern internet. His contribution to the project was invaluable, as he actively participated in the creation of protocols and technologies that ensured communication between different computers. Klensin worked on issues of routing and data transmission, which became the basis for further research and development in networking technologies. His work on ARPANET not only contributed to the development of computer networks but also influenced the formation of the principles of the internet as we know it today. Klensin remains a key figure in the history of network technologies, and his achievements inspire new generations of information technology professionals. Could he have imagined that his influence on social and political science would eclipse the simple rule 34, which states that "if it exists, porn has already been made of it"? This assertion is especially relevant in the context of contemporary research, where the intersection of different fields of knowledge generates new ideas and concepts. The impact of his work on social and political science goes beyond conventional norms, opening new horizons and possibilities for analysis and discussion.
Jon Postel - created SMTP, IANA, and 200 RFCs

Jon Postel, along with the team at the first ARPANET node at the University of California, played a key role in the development of the TCP/IP stack, the SMTP email transfer protocol, and the domain name system. He served as the network's chief administrator for a long time and was actively involved in the creation of more than 200 Request for Comments (RFCs). In addition, Postel organized the Internet Assigned Names and Numbers Authority (IANA), which significantly influenced the development of Internet technologies and domain name management. His contributions to these areas remain invaluable and essential to the functioning of the modern Internet.
I am confident that without his contribution to network design, the modern Internet would not exist.
Known for his active lifestyle and involvement in various projects, John Klensin left a significant mark on his field. His contributions cover a wide range of activities, from social initiatives to innovative developments. Klensin became a symbol of determination and responsibility, inspiring many to take action in their communities. With each new project, he demonstrates the importance of being not only an observer, but also a direct participant in changes that contribute to improving the quality of life.
Louis Pouzin — invented the datagram

Louis Pouzin was a French scientist who developed the CYCLADES computer network in the early 1970s. The architecture of this network had a significant influence on the creation and development of the TCP/IP protocol, which became the foundation of modern internet technology. Pouzin's work in network communications and his contributions to the CYCLADES project played a key role in shaping the global network as we know it today.
In the CYCLADES system, information exchange between devices was carried out directly by the devices themselves, without the involvement of specialized control devices. This approach was made possible by the use of datagrams, which provided more efficient and autonomous interaction between machines.
Unlike early packet-switched networks, a datagram includes all the data necessary to transmit messages between two devices. This allowed for easy network scaling and the ability to connect additional networks. Datagrams play a key role in modern network architectures, enabling the efficient transfer of information and a high degree of flexibility in the organization of network infrastructure.
When we discuss the term "IP packet," we actually mean "IP datagram." An IP datagram is a unit of data transmitted over a network using IP (Internet Protocol). It includes both a header, containing important routing information, and a payload, which contains the data being transmitted. Understanding the structure and functions of the IP datagram is key to effectively managing network communications and ensuring reliable data transmission on the Internet.
Lawrence Roberts — despite himself, designed the ARPANET

In 1966, the US Department of Defense recruited Lawrence Roberts to develop the ARPANET. While working as a researcher at MIT's Lincoln Laboratory, Roberts created a system that provided communication between two supercomputers: one at MIT and one in Santa Monica. This project became the basis for the Internet, demonstrating the capabilities of computer networks and their importance for military and scientific research. The development of ARPANET ushered in the era of digital communications, significantly impacting the development of technology and society as a whole.
Soon, Roberts received an offer from ARPA: "Join us and build a network." However, he declined the offer several times because he lived near Boston, while ARPA's offices were in Washington, D.C.
According to one popular version, ARPA's director reminded the lab's leadership that the agency provided 50% of their funding and declared that he would not allocate another cent until he secured Roberts. Lawrence himself explains his transfer somewhat differently, but he ultimately ended up at ARPA and became the architect of the famous network.
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