Editing List of programmers (section)

==H==
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*[[Daniel Ha]] – cofounder and CEO of blog comment platform [[Disqus]]
*[[Nico Habermann]] – work on [[operating system]]s, [[software engineering]], [[inter-process communication]], process synchronization, [[deadlock (computer science)|deadlock]] avoidance, [[software verification]], [[programming language]]s: [[ALGOL 60]], [[BLISS]], [[Pascal (programming language)|Pascal]], [[Ada (programming language)|Ada]]
*[[Jim Hall (computer programmer)|Jim Hall]] – started the [[FreeDOS]] project
*[[Margaret Hamilton (software engineer)|Margaret Hamilton]] – Director of Software Engineering Division of [[MIT Instrumentation Laboratory]], which developed on-board flight software for the space [[Apollo program]]
*[[Brian Harris (translation researcher)|Brian Harris]] – [[machine translation]] research, Canada's first [[computer-assisted translation]] course, natural translation theory, [[community interpreting]] (Critical Link)
*[[Eric Hehner]] – [[predicative programming]], [[formal methods]], [[quote notation]], [[ALGOL]]
*[[David Heinemeier Hansson]] – created the [[Ruby on Rails]] framework for developing web applications
*[[Rebecca Heineman]] – authored ''[[Bard's Tale III]]: Thief of Fate'' and ''[[Dragon Wars]]''
*[[Gernot Heiser]] – [[operating system]] teaching, research, commercialising, [[Open Kernel Labs]], [[L4 microkernel family#Commercial deployment|OKL4]], Wombat
*[[Anders Hejlsberg]] – [[Turbo Pascal]], [[Delphi (software)|Delphi]], [[C Sharp (programming language)|C#]], [[TypeScript]]
*[[Ted Henter]] – founded Henter-Joyce (now part of [[Freedom Scientific]]) created [[JAWS (screen reader)|JAWS screen reader]] software for blind people
*[[Andy Hertzfeld]] – co-created [[Macintosh]], cofounded [[General Magic]], cofounded [[Eazel]]
*[[D. Richard Hipp]] – created [[SQLite]]
*[[Tony Hoare|C. A. R. Hoare]] – first implementation of [[quicksort]], [[ALGOL 60]] compiler, [[Communicating sequential processes]]
*[[Louis Hodes]] – [[Lisp (programming language)|Lisp]], [[pattern recognition]], [[logic programming]], [[cancer research]]
*[[John Henry Holland]] – pioneer in what became known as [[Genetic algorithm|genetic algorithms]], developed [[Holland's schema theorem]], [[Learning classifier system|Learning Classifier Systems]]
*[[Allen Holub]] – author and public speaker, [[Agile Manifesto]] signatory
*[[Grace Hopper]] – [[Harvard Mark I]] computer, [[FLOW-MATIC]], [[COBOL]]
*[[Paul Hudak]] – [[Haskell]] language design, textbooks on it and [[computer music]]
*[[David A. Huffman]] – created the [[Huffman coding]]; a compression algorithm
*[[Roger Hui]] – created [[J (programming language)|J]]
*[[Dave Hyatt]] – co-authored [[Mozilla]] [[Firefox]]
*[[P. J. Hyett]] – cofounded [[GitHub]]
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