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1:50:28EN
Lex Fridman· Aug 29, 2025Podcast · 2 speakersThe 87-Kilobyte Program Two Billion People Open Every MonthGuest Dave Plummer · Host Lex FridmanDave Plummer talks Lex Fridman through Task Manager, old-school Microsoft, and how an autistic mind actually works.
6:08:48ENLex Fridman· Jul 12, 2025Podcast · 2 speakersNobody Serious Believes Cookie Banners Help AnyoneGuest DHH · Host Lex FridmanLex Fridman talks with David Heinemeier Hansson for six hours about Ruby, Rails, AI, leaving the cloud, Apple's App Store, and why a small company can still refuse other people's money.
4:25:19ENLex Fridman· Apr 30, 2025Podcast · 2 speakersA shareware text editor, a 30-hour binge, and a five-year war with AppleGuest Tim Sweeney · Host Lex FridmanTim Sweeney traces Unreal Engine’s thirty-year climb, the four-week birth of Fortnite Battle Royale, a new language for the metaverse, and why he thinks Apple is on the wrong side of computing history.
3:34:03ENLex Fridman· Jun 2, 2023Podcast · 2 speakersPython Isn't Finished: Chris Lattner on Mojo and the Hardware MessGuest Chris Lattner · Host Lex FridmanThe LLVM creator returns to Lex Fridman to argue that Python should grow C-like performance instead of forcing people out of the language.
3:15:51ENLex Fridman· Nov 26, 2022Podcast · 2 speakersPython Is a Recipe Written for Two ReadersGuest Guido van Rossum · Host Lex FridmanGuido van Rossum on CPython’s 3.11 speedups, indentation, the GIL, and why a 4.0 would hurt extensions more than syntax.
5:14:50ENLex Fridman· Aug 4, 2022Podcast · 2 speakersThe best programming language is the one you already useGuest John Carmack · Host Lex FridmanJohn Carmack talks with Lex Fridman about languages, id Software, VR, rockets, and why AGI might be tens of thousands of lines of code.
2:46:40ENLex Fridman· Dec 23, 2021Podcast · 2 speakersThe Tools That Fit in a Head Were Built by People Who Fit in a VanGuest Peter Wang · Host Lex FridmanAnaconda's Peter Wang talks with Lex Fridman about Python, cybernetic systems, and why sharing software creates value that scarcity economics still cannot price.
3:05:24ENLex Fridman· Sep 22, 2021Podcast · 2 speakersTravis Oliphant wrote NumPy in an empty semester — and still wants open source to payGuest Travis Oliphant · Host Lex FridmanThe creator of NumPy, SciPy, and Anaconda tells Lex Fridman how array thinking, a priced book, and the packaging wars shaped scientific Python.
2:21:27ENLex Fridman· Sep 9, 2021Podcast · 2 speakersThe IBM Manual Was So Bad He Became a Computer ScientistGuest Donald Knuth · Host Lex FridmanDonald Knuth talks with Lex Fridman about first programs on an IBM 650, literate programming, the Knuth-Morris-Pratt algorithm, and the hardest theorem he ever proved.
3:03:38ENLex Fridman· Feb 12, 2021Podcast · 2 speakersA Ten-Day Language That Still Runs the WebGuest Brendan Eich · Host Lex FridmanBrendan Eich tells Lex Fridman how JavaScript, Firefox, Mozilla, and Brave were built from rushed bets, open-source escape pods, and accidental tracking.
2:46:57ENLex Fridman· Oct 18, 2020Podcast · 2 speakersProgramming Languages Are Bicycles for the MindGuest Chris Lattner · Host Lex FridmanChris Lattner talks with Lex Fridman about Swift, LLVM, RISC-V, and why the next leap in computing is as much a language problem as a silicon one.
1:51:01ENLex Fridman· Sep 24, 2020Podcast · 2 speakersJames Gosling Built Java to Make Pointer Bugs Impossible. Chrome Still Has Them.Guest James Gosling · Host Lex FridmanIn a 2020 conversation with Lex Fridman, Java’s designer traces a line from a neglected PDP-8 to Emacs, the JVM, and a thirty-year war on memory errors.
1:43:10ENLex Fridman· Jul 18, 2020Podcast · 2 speakersKen Thompson's Wife Left for Three Weeks. He Wrote Unix.Guest Brian Kernighan · Host Lex FridmanBrian Kernighan walks Lex Fridman through Bell Labs, C, AWK, AMPL, and a lifetime of tools that millions of people still run — including all of his mistakes.
3:11:09ENLex Fridman· Apr 18, 2020Podcast · 2 speakersIn the computational universe, the animals are always smarter than youGuest Stephen Wolfram · Host Lex FridmanStephen Wolfram talks with Lex Fridman about Rule 30, computational irreducibility, a hypergraph model of physics, and why Wolfram Language is a notation for talking about the world.
1:45:56ENLex Fridman· Dec 30, 2019Podcast · 2 speakersPoint eight is enough: Donald Knuth on algorithms, TeX, and a life in one chairGuest Donald Knuth · Host Lex FridmanLex Fridman visits Donald Knuth at home for a conversation about the IBM 650, geek brains, literate programming, The Art of Computer Programming, TeX, P versus NP, and a happiness budget of 80 percent.
1:47:13ENLex Fridman· Nov 7, 2019Podcast · 2 speakersWhen You Hit the Brakes, a Computer Is in the WayGuest Bjarne Stroustrup · Host Lex FridmanBjarne Stroustrup on why C++ still sits between the pedal and the pads, and why an abstraction that costs extra has no place in the language.
1:13:06ENLex Fridman· May 13, 2019Podcast · 2 speakersThe Compiler That Got Apple, Google, and Intel to Share a CodebaseGuest Chris Lattner · Host Lex FridmanChris Lattner walks through LLVM, Clang, Swift, TPU numeric formats, and why compiler work is mostly software engineering.
1:26:44ENLex Fridman· Nov 22, 2018Podcast · 2 speakersHe raised Python like a child, then set it freeGuest Guido van Rossum · Host Lex FridmanIn a 2018 conversation with Lex Fridman, Guido van Rossum traces Python from electronics kits and Conway's Game of Life to the Thursday morning he resigned as benevolent dictator for life.