David A. Wheeler

• Why Open Source Software / Free Software (OSS/FS)? Look at the Numbers!
• Secure Programming for Linux and Unix HOWTO
• More than a Gigabuck: Estimating GNU/Linux's Size
• The Most Important Software Innovations
• Make Your Open Source Software GPL-Compatible. Or Else.
• Software Inspection: An Industry Best Practice by David A. Wheeler, Bill Brykczynski, and Reginald N. Meeson, Jr. IEEE Computer Society Press. ISBN 0-8186-7340-0.
• Ada 95: The Lovelace Tutorial. Springer-Verlag. ISBN 0-387-948-01-5.

Most Important Software Innovations

• 1837: Charles Babbage's Analytical Engine
• 1845: Boolean algebra
• 1936-37: Turing machine
• 1945: Stored program concept
• 1945: Hypertext
• 1951: Subroutines
• 1952: Assemblers
• 1952: Compilers
• 1954: Practically Compiling Human-like Notation (FORTRAN programming language)
• 1955: Stack Principle
• 1957: Timesharing
• 1958-60: List Processing (LISP programming language)
• 1960: Survivable Packet-Switching Networks
• 1964: Word processor (the IBM MT/ST)
• 1964: Computer mouse
• 1965: Semaphores
• 1965: Hierarchical directories, program names as commands (Multics)
• 1965: Unification
• 1966: Structured programming
• 1966: Spell checker
• 1967: Object oriented programming
• 1967: Separating Text Content from Format
• 1968: The Graphical User Interface (GUI)
• 1968: Regular Expressions
• 1969-70: Standardized Generic Markup Language (SGML)
• 1970: Relational Model and Algebra (leading to relational databases)
• 1970: Distributed Network Email
• 1972: Modularity criteria
• 1972: Screen-Oriented Word processing
• 1972: Pipes
• 1972: B-Tree
• 1972, 1976: Portable operating systems (OS6, Unix)
• 1972: Internetworking using Datagrams (TCP/IP)
• 1973: Font generation algorithms
• 1974: Monitor
• 1975: Communicating Sequential Processes (CSP)
• 1977: Diffie-Hellman Security Algorithm
• 1978: RSA security algorithm
• 1978: Spreadsheet
• 1978: Lamport clocks
• 1979: Distributed Newsgroups (USENET)
• 1980: Model View Controller (MVC)
• 1981?: Remote Procedure Call (RPC)
• 1984: Distributing Naming (DNS)
• 1986: Lockless version management (CVS)
• 1989: Distributed Hypertext via Simple Mechanisms (World Wide Web)
• 1991: Design patterns
• 1992: Secure Mobile Code (Java programming language and Safe-Tcl)
• 1993: Refactoring
• 1994: Web-crawling search engines

External link

• Personal homepage

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