100 people with their key contribution

• Charles Babbage – Analytical Engine / Father of Computers
• Ada Lovelace – First programmer / Algorithm for Analytical Engine
• Blaise Pascal – Mechanical calculator(Pascaline)
• Konrad Zuse – First programmable digital computer / Z1-Z4 / Plankalkül
• John von Neumann – von Neumann architecture / Stored-program concept
• John Bardeen – Transistor
• Walter Brattain – Transistor
• William Shockley – Transistor
• John Mauchly – ENIAC conceptual design
• J. Presper Eckert – ENIAC hardware design
• Alan Turing – Turing Machine / Code-breaking / Theoretical CS
• John McCarthy – AI / Lisp programming
• John Backus – FORTRAN compiler
• Grace Hopper – First compiler / COBOL / Flow-Matic
• Federico Faggin – Microprocessor
• Ted Hoff – Microprocessor
• Stanley Mazor – Microprocessor
• Tim Berners-Lee – World Wide Web / HTTP / HTML
• Alan Kay – GUI / Dynabook / Object-oriented programming
• Douglas Engelbart – Mouse / NLS / Hypertext
• Linus Torvalds – Linux kernel
• John G. Kemeny – BASIC programming language
• Thomas Kurtz – BASIC programming language
• Ken Thompson – UNIX operating system
• Dennis Ritchie – UNIX / C programming language
• Dan Bricklin – VisiCalc spreadsheet
• Bob Frankston – VisiCalc spreadsheet
• Jay Forrester – Magnetic core memory
• Leonard Kleinrock – Computer networks concept
• Ed Roberts – Microcomputers / Altair 8800
• Steve Wozniak – Apple I / Personal computer
• Steve Jobs – Apple Macintosh / Personal computer
• Seymour Cray – Supercomputer
• Charles K. Kao – Optical fiber communication
• Whitfield Diffie – Cryptography / Public-key cryptography
• Martin Hellman – Cryptography / Public-key cryptography
• Joseph Weizenbaum – ELIZA AI program
• James Gosling – Java programming language
• E.A. Johnson – First touch screen technology
• Claude Shannon – Information theory / Digital circuits
• Herman Hollerith – Punch card system
• Vinton Cerf – TCP/IP co-inventor
• Robert Kahn – TCP/IP co-inventor
• Ivan Sutherland – Sketchpad / Early computer graphics
• Marc Andreessen – Mosaic web browser
• Bjarne Stroustrup – C++ programming language
• Guido van Rossum – Python programming language
• Richard Stallman – GNU Project / Free Software
• Sergey Brin – Google search engine
• Larry Page – Google search engine
• Bill Gates – Microsoft / Windows
• Paul Allen – Microsoft co-founder
• Mark Zuckerberg – Facebook
• Elon Musk – PayPal / Early computing influence
• Howard Aiken – Harvard Mark I computer
• Maurice Wilkes – EDSAC / Stored-program computer
• Edsger Dijkstra – Algorithms / Structured programming
• Donald Knuth – The Art of Computer Programming
• Seymour Papert – LOGO programming language / AI education
• Herman Goldstine – ENIAC programming
• Robert Metcalfe – Ethernet protocol
• Brian Kernighan – UNIX utilities / C documentation
• Alan Kay – Object-oriented programming / Dynabook
• Douglas Engelbart – NLS / Hypertext / Mouse
• John Backus – FORTRAN / Compiler
• Grace Hopper – COBOL / Compiler
• Claude Shannon – Digital circuits / Information theory
• Alan Turing – Turing Machine / AI foundation
• John Mauchly – ENIAC conceptual design
• J. Presper Eckert – ENIAC hardware design
• Seymour Cray – Supercomputer
• Charles K. Kao – Optical fiber
• Ed Roberts – Altair 8800 / Microcomputers
• E.A. Johnson – Touch screen technology
• Donald Knuth – Algorithms / Programming literature
• Seymour Papert – LOGO / AI education
• Vinton Cerf – TCP/IP co-inventor
• Robert Kahn – TCP/IP co-inventor
• John G. Kemeny – BASIC programming
• Thomas Kurtz – BASIC programming
• Whitfield Diffie – Public-key cryptography
• Martin Hellman – Public-key cryptography
• Ivan Sutherland – Computer graphics / CAD
• Bjarne Stroustrup – C++ language
• Guido van Rossum – Python language
• Richard Stallman – GNU / Free software
• Marc Andreessen – Mosaic browser
• Mark Zuckerberg – Facebook
• Elon Musk – PayPal / Early computing