Back to People
Donald Knuth

Donald Knuth

Born 1938 · Age 87

American computer scientist and mathematician; author of The Art of Computer Programming; creator of TeX, METAFONT, Computer Modern; pioneer of algorithm analysis and literate programming; professor emeritus at Stanford.

Total Events
65
Career Span
86 years
Peak Net Worth
$5,200,000

Compare Your Trajectory

See how your career milestones stack up against Donald Knuth and other industry leaders.

Life & Career Timeline

1938Age 0

Born in Milwaukee, Wisconsin

Donald Ervin Knuth born to Ervin Henry Knuth and Louise Marie Bohning in Milwaukee; father ran a small printing business and taught bookkeeping.

1/10/1938Source
Confidence
100%
1951Age 13

Ziegler's Giant Bar word‑rearrangement contest (eighth grade)

As a schoolboy Knuth found ~4,500 words from the letters of 'Ziegler's Giant Bar', winning the competition (judges had ~2,500).

1/1/1951Source
Confidence
60%
1956Age 18

Enrolled at Case Institute of Technology (physics)

Entered Case Institute (later Case Western Reserve University); joined Beta Nu Chapter of Theta Chi fraternity; began working with the IBM 650.

1/1/1956Source
Confidence
98%
1956Age 18

Graduated Milwaukee Lutheran High School; scholarship to Case Institute

Graduated high school (highest GPA at his school to date) and accepted a scholarship in physics to Case Institute of Technology (Cleveland).

1/1/1956Source
Confidence
98%
1957Age 19

First published (satirical) article: 'The Potrzebie System'

Published a humorous/scientific article in Mad magazine demonstrating early writing/playful technical interest.

6/1/1957Source
Confidence
95%
1958Age 20

Developed basketball team performance program (IBM 650)

Wrote a program assigning values to players to gauge scoring probability; attracted national press attention (Newsweek, CBS).

1/1/1958Source
Confidence
95%
1959Age 21

Founding editor, Engineering and Science Review (Case)

One of the founding editors; the magazine won a national award as best technical magazine in 1959.

1/1/1959Source
Confidence
90%
1960Age 22

Earned BS and simultaneous MS from Case Institute

Switched from physics to mathematics; faculty awarded him an MS at the same time as his BS due to outstanding work.

1/1/1960Net Worth: $1,000Source
Confidence
98%
1960Age 22

Proposed/contracted to write ALGOL compiler for Burroughs B205 ($5,500)

At the end of his senior year Knuth proposed to Burroughs an ALGOL compiler contract for $5,500 (accepted); he worked on it between Case and Caltech.

1/1/1960Net Worth: $5,500Source
Confidence
95%
1960Age 22

Offered Woodrow Wilson & NSF fellowships (declined/complex)

Accounts indicate he was awarded or offered prestigious fellowships around graduation; he later declined some fellowships because they forbade outside consulting.

1/1/1960Net Worth: $6,000Source
Confidence
60%
1960Age 22

Entered California Institute of Technology (graduate studies)

Began graduate study at Caltech (mathematics), leading to a PhD; continued consulting work with Burroughs while a student.

1/1/1960Net Worth: $6,000Source
Confidence
98%
1961Age 23

Returned to Burroughs as consultant (anecdote about degree)

Returned to Burroughs in June 1961 and (anecdotally) did not mention he held a master's rather than a bachelor's degree; continued innovative contributions (DEFINE, compiler ideas).

1/1/1961Net Worth: $8,000Source
Confidence
90%
1961Age 23

Married Nancy Jill Carter

Married Nancy Jill Carter while a graduate student at Caltech.

6/24/1961Net Worth: $7,000Source
Confidence
100%
1962Age 24

Commission from Addison‑Wesley to write on compilers (seed for TAOCP)

Addison‑Wesley asked Knuth to write a book on compilers; his scope broadened into The Art of Computer Programming.

1/1/1962Net Worth: $15,000Source
Confidence
98%
1962Age 24

Computed Euler's constant to 1,271 decimals (research)

Produced high‑precision computation of Euler's constant (example of computational-combinatorial work).

1/1/1962Net Worth: $15,000Source
Confidence
90%
1963Age 25

Appointed Assistant Professor, Caltech

Joined Caltech faculty as assistant professor of mathematics after PhD; continued consultancy with Burroughs.

1/1/1963Net Worth: $25,000Source
Confidence
95%
1963Age 25

PhD in Mathematics from Caltech

Awarded PhD for thesis 'Finite Semifields and Projective Planes' under advisor Marshall Hall Jr.

1/1/1963Net Worth: $20,000Source
Confidence
100%
1965Age 27

Joined American Guild of Organists

Formalized his ongoing involvement in music; continued composing and playing organ.

1/1/1965Net Worth: $30,000Source
Confidence
90%
1966Age 28

Promoted to Associate Professor, Caltech

Promotion at Caltech (associate professor) as his research and publication record grew.

1/1/1966Net Worth: $50,000Source
Confidence
90%
1968Age 30

Published The Art of Computer Programming, Volume 1

TAOCP Vol. 1: Fundamental Algorithms released by Addison‑Wesley; beginning of his multivolume magnum opus.

1/1/1968Net Worth: $60,000Source
Confidence
99%
1968Age 30

Left Caltech for Institute for Defense Analyses (Princeton)

Accepted employment at IDA Communications Research Division (mathematical research supporting NSA efforts) just before publishing Vol. 1.

1/1/1968Net Worth: $70,000Source
Confidence
85%
1969Age 31

Published The Art of Computer Programming, Volume 2

TAOCP Vol. 2: Seminumerical Algorithms published.

1/1/1969Net Worth: $80,000Source
Confidence
98%
1969Age 31

Joined Stanford University faculty

Left IDA/Princeton position and accepted a faculty position at Stanford (appointed to computer science faculty).

1/1/1969Net Worth: $90,000Source
Confidence
90%
1970Age 32

Introduced 'Concrete Mathematics' course at Stanford

Developed a course to teach mathematical tools needed for TAOCP; course notes later evolved into the book Concrete Mathematics.

1/1/1970Net Worth: $95,000Source
Confidence
95%
1971Age 33

First ACM Grace Murray Hopper Award

Received the inaugural Grace Murray Hopper Award from ACM for contributions to computing.

1/1/1971Net Worth: $100,000Source
Confidence
99%
1973Age 35

Published The Art of Computer Programming, Volume 3

TAOCP Vol. 3: Sorting and Searching published after his year at University of Oslo.

1/1/1973Net Worth: $130,000Source
Confidence
98%
1974Age 36

Awarded ACM Turing Award

Received the ACM A. M. Turing Award for contributions to analysis of algorithms and design of programming languages (cited TAOCP).

1/1/1974Net Worth: $200,000Source
Confidence
99%
1975Age 37

Elected to National Academy of Sciences

Recognized for major contributions to computer science and mathematics.

1/1/1975Net Worth: $230,000Source
Confidence
98%
1976Age 38

Published influential papers on algorithm analysis and random number generation

Published notable papers (e.g., work on complexity, random number generation) that influenced operations research and algorithm analysis.

1/1/1976Net Worth: $260,000Source
Confidence
90%
1977Age 39

Named Fletcher Jones Professor of Computer Science (Stanford)

Awarded an endowed professorship at Stanford University.

1/1/1977Net Worth: $300,000Source
Confidence
95%
1977Age 39

Published Knuth–Morris–Pratt pattern‑matching paper

Publication 'Fast pattern matching in strings' (KMP algorithm) furthered algorithmic string search theory.

1/1/1977Net Worth: $320,000Source
Confidence
95%
1977Age 39

Began TeX project (digital typesetting)

Began work on TeX to regain high-quality typesetting for TAOCP; project later included METAFONT and Computer Modern fonts.

1/1/1977Net Worth: $350,000Source
Confidence
96%
1979Age 41

Received National Medal of Science

Awarded the U.S. National Medal of Science (presented by President Jimmy Carter).

1/1/1979Net Worth: $400,000Source
Confidence
99%
1979Age 41

Gave AMS Gibbs Lecture: 'Mathematical Typography' (announced TeX goals)

Public lecture describing typography goals; outlined archival aims for TeX and METAFONT.

1/1/1979Net Worth: $420,000Source
Confidence
95%
1980Age 42

Elected Distinguished Fellow of the British Computer Society

Honored by BCS for contributions to computer science.

1/1/1980Net Worth: $450,000Source
Confidence
95%
1984Age 46

Published The TeXbook (Computers & Typesetting Vol. A)

Released The TeXbook (user manual) as part of the Computers & Typesetting series.

1/1/1984Net Worth: $600,000Source
Confidence
99%
1986Age 48

Published TeX: The Program and METAFONT books; Computer Modern typefaces

Published program source books and fonts (TeX: The Program; METAFONT: The Program; Computer Modern Typefaces) documenting TeX/METAFONT and their code.

1/1/1986Net Worth: $700,000Source
Confidence
98%
1986Age 48

Awarded Steele Prize for Exposition (AMS)

Received the AMS Leroy Steele Prize for Exposition in recognition of outstanding expository work.

1/1/1986Net Worth: $750,000Source
Confidence
98%
1989Age 51

Chinese name placed atop Journal of Computer Science and Technology header

His Chinese name Gao Dena (given in 1977) was placed on the journal header in 1989 as a sign of connection to Chinese programmers.

1/1/1989Net Worth: $850,000Source
Confidence
90%
1990Age 52

Named Professor of The Art of Computer Programming (unique title)

Awarded one-of-a-kind academic title at Stanford reflecting his life's work; later revised to Professor Emeritus of The Art of Computer Programming.

1/1/1990Net Worth: $900,000Source
Confidence
95%
1992Age 54

Associate of the French Academy of Sciences; retired from regular teaching to finish TAOCP

Elected associate of Académie des Sciences (France); announced retirement from full teaching/research to focus on TAOCP volumes.

1/1/1992Net Worth: $1,000,000Source
Confidence
90%
1993Age 55

Became Professor Emeritus at Stanford

Transitioned to Professor Emeritus status (1993) but continued writing and giving occasional lectures.

1/1/1993Net Worth: $1,100,000Source
Confidence
98%
1993Age 55

Published The Stanford GraphBase

Released The Stanford GraphBase: a platform for combinatorial computing (book).

1/1/1993Net Worth: $1,150,000Source
Confidence
95%
1994Age 56

Concrete Mathematics 2nd edition published (co‑authored)

Second edition of Concrete Mathematics (Graham, Knuth, Patashnik) published, originating from Knuth's Stanford course.

1/1/1994Net Worth: $1,250,000Source
Confidence
95%
1995Age 57

Received John von Neumann Medal and Harvey Prize

Awarded the IEEE John von Neumann Medal and the Technion Harvey Prize for contributions to computing and mathematics.

1/1/1995Net Worth: $1,500,000Source
Confidence
98%
1996Age 58

Awarded Kyoto Prize

Received the Kyoto Prize (Inamori Foundation) for fundamental contributions to computer science and technology.

1/1/1996Net Worth: $1,800,000Source
Confidence
99%
1998Age 60

Named Fellow of the Computer History Museum

Recognized for foundational work on algorithms and TeX; inducted as a CHM fellow.

1/1/1998Net Worth: $2,000,000Source
Confidence
95%
2000Age 62

Computers & Typesetting boxed set released (A–E box set)

Addison‑Wesley released a boxed set of the Computers & Typesetting volumes (TeX/METAFONT & related materials).

1/1/2000Net Worth: $2,100,000Source
Confidence
95%
2001Age 63

Minor planet (21656) Knuth named in his honor

Asteroid 21656 Knuth was named after Donald Knuth (officially recognized May 2001).

5/1/2001Net Worth: $2,200,000Source
Confidence
98%
2003Age 65

Elected Foreign Member of the Royal Society (ForMemRS)

Elected as a Foreign Member of the Royal Society (London) in recognition of lifetime contributions.

1/1/2003Net Worth: $2,500,000Source
Confidence
98%
2006Age 68

Diagnosed with prostate cancer; surgery in Dec 2006

Publicly disclosed prostate cancer diagnosis and underwent surgery in December; prognosis reported as good.

1/1/2006Net Worth: $2,600,000Source
Confidence
95%
2008Age 70

Stopped sending monetary reward checks for errata (changed practice)

Due to bank fraud he stopped sending physical $2.56 checks and began issuing 'certificates of deposit' from a fictional 'Bank of San Serriffe' while retaining the tradition.

1/1/2008Net Worth: $2,800,000Source
Confidence
95%
2009Age 71

Elected Fellow of Society for Industrial and Applied Mathematics (SIAM)

Elected among the first class of SIAM Fellows for outstanding contributions to mathematics.

1/1/2009Net Worth: $3,000,000Source
Confidence
95%
2010Age 72

BBVA Foundation Frontiers of Knowledge Award and Katayanagi Prize

Received the BBVA Frontiers of Knowledge Award (ICT) and Katayanagi Prize for contributions to computing and digital typography.

1/1/2010Net Worth: $3,300,000Source
Confidence
96%
2011Age 73

Turing Lecture; Faraday Medal; Stanford Hero Award

Delivered the Turing Lecture; awarded the IET Faraday Medal and Stanford University School of Engineering Hero Award.

1/1/2011Net Worth: $3,500,000Source
Confidence
95%
2011Age 73

Published The Art of Computer Programming, Volume 4A

Released TAOCP Vol. 4A: Combinatorial Algorithms, Part 1 (921 pages), continuing the long-running series.

1/1/2011Net Worth: $3,800,000Source
Confidence
99%
2012Age 74

Elected Fellow of the American Mathematical Society; Member of the American Philosophical Society

Recognized by major learned societies for contributions in mathematics and computing.

1/1/2012Net Worth: $3,900,000Source
Confidence
95%
2014Age 76

Received Flajolet Lecture Prize

Awarded the Flajolet Lecture Prize for contributions to the analysis of algorithms and combinatorics.

1/1/2014Net Worth: $4,100,000Source
Confidence
95%
2015Age 77

Honorary Membership, London Mathematical Society

Elected to Honorary Membership of the LMS in its 150th anniversary year.

1/1/2015Net Worth: $4,200,000Source
Confidence
95%
2016Age 78

Completed organ composition 'Fantasia Apocalyptica'

Completed a large organ work, described as a musical translation of the text of Revelation; performed later in 2018.

1/1/2016Net Worth: $4,300,000Source
Confidence
90%
2018Age 80

Première of 'Fantasia Apocalyptica' in Sweden

World premiere of his organ composition occurred on his 80th birthday (Jan 10, 2018) in Sweden.

1/10/2018Net Worth: $4,400,000Source
Confidence
95%
2020Age 82

Stated expectations for TAOCP Volume 4 (parts A–F)

Announced that Volume 4 of TAOCP will include at least parts A through F (statement made April 2020).

4/1/2020Net Worth: $4,700,000Source
Confidence
90%
2022Age 84

Published The Art of Computer Programming, Volume 4B

TAOCP Vol. 4B: Combinatorial Algorithms, Part 2 published in October 2022 continuing the long series.

10/1/2022Net Worth: $5,000,000Source
Confidence
99%
2023Age 85

Ongoing public lectures: 'Computer Musings' series

Continues to give informal public lectures at Stanford called 'Computer Musings' several times a year and occasionally visits graduate courses.

1/1/2023Net Worth: $5,100,000Source
Confidence
95%
2024Age 86

Continues to publish short mathematical notes and proposals

Active contributor to mathematical journals (examples include short problems and proposals in American Mathematical Monthly 2020s).

1/1/2024Net Worth: $5,200,000Source
Confidence
90%