

He articulated the open-source ethos, turning a hacker's philosophy into a global software revolution.
Eric S. Raymond, known universally as ESR, emerged from the early internet's primordial soup of homebrew computing and hacker culture to become its most vocal philosopher. A programmer by trade, his real impact came from his writing. In the late 1990s, his essay 'The Cathedral and the Bazaar' provided a compelling, accessible manifesto for the open-source movement, contrasting traditional, closed software development with the chaotic, collaborative model that built Linux. He didn't just write about the culture; he curated it, taking stewardship of the seminal Jargon File, a living lexicon of hacker slang. Raymond's work gave a scattered community a shared identity and a persuasive argument that convinced boardrooms and developers alike that sharing code wasn't just idealism—it was superior engineering.
1946–1964
The largest generation in history at the time. Shaped by postwar prosperity, the Vietnam War, the sexual revolution, and Watergate. They questioned every institution their parents built — then ran them.
Eric was born in 1957, placing them squarely in the Baby Boomers. The events that shaped this generation — postwar prosperity, civil rights, Vietnam, and the counterculture — shaped the world they entered and the choices available to them.
The biggest hits of 1957
#1 Movie
The Bridge on the River Kwai
Best Picture
The Bridge on the River Kwai
#1 TV Show
Gunsmoke
The world at every milestone
Sputnik launches the Space Age
Cuban Missile Crisis brings the world to the brink
First Earth Day; The Beatles break up
US withdraws from Vietnam; Roe v. Wade decided
Fall of Saigon ends the Vietnam War
First test-tube baby born
Black Monday stock market crash
Princess Diana dies in Paris car crash; Harry Potter published
iPhone released; Great Recession begins
#MeToo movement; solar eclipse crosses the US
He is a trained martial artist and has written about the intersection of firearms culture and hacker ethics.
Raymond is an accomplished folk musician, playing the guitar and tin whistle, and has performed at open-source conferences.
He coined the acronym 'Linus's Law,' often phrased as 'Given enough eyeballs, all bugs are shallow.'
His handle, ESR, is one of the most recognized in hacker circles, akin to a digital nom de guerre.
“Every good work of software starts by scratching a developer's personal itch.”