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John Edward Warnock (born October 6, 1940) is an American
computer scientist A computer scientist is a person who is trained in the academic study of computer science. Computer scientists typically work on the theoretical side of computation, as opposed to the hardware side on which computer engineers mainly focus (a ...
and businessman best known for co-founding
Adobe Systems Adobe Inc. ( ), originally called Adobe Systems Incorporated, is an American multinational computer software company incorporated in Delaware and headquartered in San Jose, California. It has historically specialized in software for the cre ...
Inc., the graphics and publishing software company, with Charles Geschke. Warnock was President of Adobe for his first two years and chairman and CEO for his remaining sixteen years at the company. Although he retired as CEO in 2000, he still co-chaired the board with Geschke. Warnock has pioneered the development of graphics, publishing, Web and electronic document technologies that have revolutionized the field of publishing and visual communications.


Early life and education

Warnock was born and raised in
Salt Lake City Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the capital and most populous city of Utah, United States. It is the seat of Salt Lake County, the most populous county in Utah. With a population of 200,133 in 2020, th ...
, Utah. Although he failed mathematics in ninth grade while graduating from
Olympus High School Olympus High School is a public high school in the Granite School District in Holladay, Utah, a suburb of Salt Lake City. Description The school opened on September 1, 1953, with an original enrollment of 1028 students. In the fall of 1960, t ...
in 1958, Warnock went on to earn a Bachelor of Science degree in mathematics and philosophy, a Doctor of Philosophy degree in electrical engineering (
computer science Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to Applied science, practical discipli ...
), and an honorary degree in science, all from the
University of Utah The University of Utah (U of U, UofU, or simply The U) is a public research university in Salt Lake City, Utah. It is the flagship institution of the Utah System of Higher Education. The university was established in 1850 as the University of De ...
. At the University of Utah he was a member of the Gamma Beta Chapter of the
Beta Theta Pi Beta Theta Pi (), commonly known as Beta, is a North American social fraternity that was founded in 1839 at Miami University in Oxford, Ohio. One of North America's oldest fraternities, as of 2022 it consists of 144 active chapters in the Uni ...
fraternity. He also has an honorary degree from the
American Film Institute The American Film Institute (AFI) is an American nonprofit film organization that educates filmmakers and honors the heritage of the motion picture arts in the United States. AFI is supported by private funding and public membership fees. Lead ...
. He currently lives in the
San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area G ...
with his wife Marva E. Warnock, an illustrator. They have three children.


Career

Warnock's earliest publication and subject of his master's thesis, was his 1964 proof of a theorem solving the
Jacobson radical In mathematics, more specifically ring theory, the Jacobson radical of a ring R is the ideal consisting of those elements in R that annihilate all simple right R-modules. It happens that substituting "left" in place of "right" in the definition y ...
for row-finite matrices, which was originally posed by the American mathematician Nathan Jacobson in 1956. In his 1969 doctoral thesis, Warnock invented the
Warnock algorithm The Warnock algorithm is a hidden surface algorithm invented by John Warnock that is typically used in the field of computer graphics. It solves the problem of rendering a complicated image by recursive subdivision of a scene until areas are o ...
for
hidden surface determination In 3D computer graphics, hidden-surface determination (also known as shown-surface determination, hidden-surface removal (HSR), occlusion culling (OC) or visible-surface determination (VSD)) is the process of identifying what surfaces and parts o ...
in
computer graphics Computer graphics deals with generating images with the aid of computers. Today, computer graphics is a core technology in digital photography, film, video games, cell phone and computer displays, and many specialized applications. A great de ...
. It works by
recursive subdivision This is a glossary of terms relating to computer graphics. For more general computer hardware terms, see glossary of computer hardware terms. 0–9 A B ...
of a scene until areas are obtained that are trivial to compute. It solves the problem of rendering a complicated image by avoiding the problem. If the scene is simple enough to compute then it is rendered; otherwise it is divided into smaller parts and the process is repeated. Warnock notes that for this work he received "the dubious distinction of having written the shortest doctoral thesis in University of Utah history". In 1976, while Warnock worked at Evans & Sutherland, a
Salt Lake City Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the capital and most populous city of Utah, United States. It is the seat of Salt Lake County, the most populous county in Utah. With a population of 200,133 in 2020, th ...
-based computer graphics company, the concepts of the
PostScript PostScript (PS) is a page description language in the electronic publishing and desktop publishing realm. It is a dynamically typed, concatenative programming language. It was created at Adobe Systems by John Warnock, Charles Geschke, Do ...
language were seeded. Prior to co-founding Adobe, with Geschke and Putman, Warnock worked with Geschke at
Xerox Xerox Holdings Corporation (; also known simply as Xerox) is an American corporation that sells print and digital document products and services in more than 160 countries. Xerox is headquartered in Norwalk, Connecticut (having moved from St ...
's Palo Alto Research Center (
Xerox PARC PARC (Palo Alto Research Center; formerly Xerox PARC) is a research and development company in Palo Alto, California. Founded in 1969 by Jacob E. "Jack" Goldman, chief scientist of Xerox Corporation, the company was originally a division of Xero ...
), where he had started in 1978. Unable to convince Xerox management of the approach to commercialize the InterPress graphics language for controlling printing, he, together with Geschke and Putman, left Xerox to start Adobe in 1982. At their new company, they developed an equivalent technology, PostScript, from scratch, and brought it to market for Apple's LaserWriter in 1985. In the spring of 1991, Warnock outlined a system called "Camelot", that evolved into the
Portable Document Format Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating syste ...
(PDF) file-format. The goal of Camelot was to "effectively capture documents from any application, send electronic versions of these documents anywhere, and view and print these documents on any machines". Warnock's document contemplated: One of Adobe's popular
typeface A typeface (or font family) is the design of lettering that can include variations in size, weight (e.g. bold), slope (e.g. italic), width (e.g. condensed), and so on. Each of these variations of the typeface is a font. There are thousands o ...
s, Warnock, is named after him. Adobe's PostScript technology made it easier to print text and images from a computer, revolutionizing media and publishing in the 1980s. In 2003, Warnock and his wife donated 200,000 shares of
Adobe Systems Adobe Inc. ( ), originally called Adobe Systems Incorporated, is an American multinational computer software company incorporated in Delaware and headquartered in San Jose, California. It has historically specialized in software for the cre ...
(valued at over $5.7 million) to the University of Utah as the main gift for a new engineering building. The John E. and Marva M. Warnock Engineering Building was completed in 2007 and houses the
Scientific Computing and Imaging Institute The Scientific Computing and Imaging (SCI) Institute is a permanent research institute at the University of Utah that focuses on the development of new scientific computing and visualization techniques, tools, and systems with primary application ...
and the Dean of the University of Utah College of Engineering. Dr. Warnock holds seven patents. In addition to Adobe Systems, he serves or has served on the board of directors at ebrary,
Knight-Ridder Knight Ridder was an American media company, specializing in newspaper and Internet publishing. Until it was bought by McClatchy on June 27, 2006, it was the second largest newspaper publisher in the United States, with 32 daily newspaper b ...
, MongoNet, Netscape Communications and Salon Media Group. Warnock is a past Chairman of the Tech Museum of Innovation in San Jose. He also serves on the board of trustees of the
American Film Institute The American Film Institute (AFI) is an American nonprofit film organization that educates filmmakers and honors the heritage of the motion picture arts in the United States. AFI is supported by private funding and public membership fees. Lead ...
and the Sundance Institute. His hobbies include photography,
skiing Skiing is the use of skis to glide on snow. Variations of purpose include basic transport, a recreational activity, or a competitive winter sport. Many types of competitive skiing events are recognized by the International Olympic Committee ( ...
,
Web development Web development is the work involved in developing a website for the Internet (World Wide Web) or an intranet (a private network). Web development can range from developing a simple single static page of plain text to complex web applications ...
, painting,
hiking Hiking is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century.AMATO, JOSEPH A. "Mind over Foot: Romantic Walking and Rambling." In ''On Foot: A Histor ...
, curation of rare scientific books and historical Native American objects. A strong supporter of higher education, Warnock and his wife, Marva, have supported three presidential endowed chairs in computer science, mathematics and fine arts at the
University of Utah The University of Utah (U of U, UofU, or simply The U) is a public research university in Salt Lake City, Utah. It is the flagship institution of the Utah System of Higher Education. The university was established in 1850 as the University of De ...
and also an endowed chair in medical research at
Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is conside ...
.


Recognition

The recipient of numerous scientific and
technical Technical may refer to: * Technical (vehicle), an improvised fighting vehicle * Technical analysis, a discipline for forecasting the future direction of prices through the study of past market data * Technical drawing, showing how something is co ...
awards, Warnock won the Software Systems Award from the
Association for Computing Machinery The Association for Computing Machinery (ACM) is a US-based international learned society for computing. It was founded in 1947 and is the world's largest scientific and educational computing society. The ACM is a non-profit professional member ...
in 1989. In 1995 Warnock received the
University of Utah The University of Utah (U of U, UofU, or simply The U) is a public research university in Salt Lake City, Utah. It is the flagship institution of the Utah System of Higher Education. The university was established in 1850 as the University of De ...
Distinguished Alumnus Award and in 1999 he was inducted as a Fellow of the
Association for Computing Machinery The Association for Computing Machinery (ACM) is a US-based international learned society for computing. It was founded in 1947 and is the world's largest scientific and educational computing society. The ACM is a non-profit professional member ...
. Warnock was awarded the Edwin H. Land Medal from the Optical Society of America in 2000. In 2002, he was made a Fellow of the
Computer History Museum The Computer History Museum (CHM) is a museum of computer history, located in Mountain View, California. The museum presents stories and artifacts of Silicon Valley and the information age, and explores the computing revolution and its impact o ...
for "his accomplishments in the commercialization of desktop publishing with Chuck Geschke and for innovations in scalable type, computer graphics and printing."
Oxford University Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...
's
Bodleian Library The Bodleian Library () is the main research library of the University of Oxford, and is one of the oldest libraries in Europe. It derives its name from its founder, Sir Thomas Bodley. With over 13 million printed items, it is the sec ...
bestowed the Bodley Medal on Warnock in November 2003. In 2004, Warnock received the
Lovelace Medal The Lovelace Medal was established by the British Computer Society in 1998, and is presented to individuals who have made outstanding contributions to the understanding or advancement of computing. It is the top award in computing in the UK. Award ...
from the
British Computer Society Sir Maurice Wilkes served as the first President of BCS in 1957 BCS, The Chartered Institute for IT, known as the British Computer Society until 2009, is a professional body and a learned society that represents those working in inf ...
in London. In October 2006, Warnock—along with Adobe co-founder Charles Geschke—received the American Electronics Association's Annual Medal of Achievement Award, being the first software executives to receive this award. In 2008, Warnock and Geschke received the Computer Entrepreneur Award from the IEEE Computer Society "for inventing PostScript and PDF and helping to launch the desktop publishing revolution and change the way people engage with information and entertainment". In September 2009, Warnock and Geschke were chosen to receive the
National Medal of Technology and Innovation The National Medal of Technology and Innovation (formerly the National Medal of Technology) is an honor granted by the President of the United States to American inventors and innovators who have made significant contributions to the development ...
, one of the nation's highest honors bestowed on scientists, engineers and inventors. In 2010, Warnock and Geschke received the Marconi Prize, considered the highest honor specifically for contributions to information science and communications. Warnock is a member of the
National Academy of Engineering The National Academy of Engineering (NAE) is an American nonprofit, non-governmental organization. The National Academy of Engineering is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of ...
, the
American Academy of Arts and Sciences The American Academy of Arts and Sciences (abbreviation: AAA&S) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, a ...
, and the
American Philosophical Society The American Philosophical Society (APS), founded in 1743 in Philadelphia, is a scholarly organization that promotes knowledge in the sciences and humanities through research, professional meetings, publications, library resources, and communit ...
, the latter being America's oldest learned society. He has received honorary degrees from the
University of Utah The University of Utah (U of U, UofU, or simply The U) is a public research university in Salt Lake City, Utah. It is the flagship institution of the Utah System of Higher Education. The university was established in 1850 as the University of De ...
, the
American Film Institute The American Film Institute (AFI) is an American nonprofit film organization that educates filmmakers and honors the heritage of the motion picture arts in the United States. AFI is supported by private funding and public membership fees. Lead ...
, and
The University of Nottingham , mottoeng = A city is built on wisdom , established = 1798 – teacher training college1881 – University College Nottingham1948 – university status , type = Public , chancellor ...
in the UK.


See also

*
Warnock algorithm The Warnock algorithm is a hidden surface algorithm invented by John Warnock that is typically used in the field of computer graphics. It solves the problem of rendering a complicated image by recursive subdivision of a scene until areas are o ...


References


External links


Interview in Knowledge@Wharton published January 20, 2010

Biography at Computer History Museum



Warnock's Utah Bed and Breakfast-The Blue Boar Inn

Warnock's Rare Book Room educational site which allows visitors to examine and read some of the great books of the world

Warnock's Splendid Heritage website which documents rare American Indian objects from private collections
* {{DEFAULTSORT:Warnock, John 1940 births Adobe Inc. people American computer programmers Computer graphics professionals Computer graphics researchers Fellows of the Association for Computing Machinery Living people University of Utah alumni National Medal of Technology recipients Businesspeople from Salt Lake City Members of the United States National Academy of Engineering American technology company founders Scientists at PARC (company)