ERDAL ARIKAN WAS born in 1958 and grew up in Western Turkey, the son of a doctor and a homemaker.
He loved science.
When he was a teenager, his father remarked that, in his profession, two plus two did not always equal four.
This fuzziness disturbed young Erdal; he decided against a career in medicine. He found comfort in engineering and the certainty of its mathematical outcomes.
“I like things that have some precision,” he says. “You do calculations and things turn out as you calculate it.”
Arıkan entered the electrical engineering program at Middle East Technical University. But in 1977, partway through his first year, the country was gripped by political violence, and students boycotted the university.
Arıkan wanted to study, and because of his excellent test scores he managed to transfer to #CalTech, one of the world's top science-oriented institutions, in Pasadena, California.
He found the US to be a strange and wonderful country. Within his first few days, he was in an orientation session addressed by legendary physicist #Richard#Feynman. It was like being blessed by a saint.
The field was still young, launched in 1948 by #Claude#Shannon, who wrote its seminal paper while he was at Bell Labs;
he would later become a revered MIT professor.
Shannon's achievement was to understand how the hitherto fuzzy concept of information could be quantified, creating a discipline that expanded the view of communication and data storage.
By publishing a general mathematical theory of information
—almost as if Einstein had invented physics and come up with relativity in one swoop
—Shannon set a foundation for the internet, mobile communications, and everything else in the digital age.
The subject fascinated Arıkan, who chose #MIT for graduate studies.
There was one reason: “#Bob#Gallager was there,” he says.
Robert Gallager had written the textbook on information theory. He had also been mentored by Shannon's successor.
In the metrics of the field, that put him two steps from God.
“So I said, if I am going to do information theory,” Arıkan says, “MIT is the place to go.”
By the time Arıkan arrived at MIT, in 1981, Gallager had shifted his focus and was concentrating on how data networks operated.
Arıkan was trembling when he went to Gallager's office for the first time. The professor gave him a paper about packet radio networks.
“I was pushing him to move from strict information theory to looking at network problems,” Gallager says.
“It was becoming very obvious to everyone that sending data from one place to another was not the whole story
—you really had to have a system.”