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Mike Lesk

b. 1945

American computer scientist

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About Mike Lesk

Born 1945. Mike Lesk is an American computer scientist and university teacher, known for Lesk algorithm, Lex (software) and SMART Information Retrieval System.

Michael E. Lesk (born 1945) is an American computer scientist.

Biography In the 1960s, Michael Lesk worked for the SMART Information Retrieval System project, wrote much of its retrieval code and did many of the retrieval experiments, as well as obtaining a BA degree in Physics and Chemistry from Harvard College in 1964 and a PhD from Harvard University in Chemical Physics in 1969.

From 1970 to 1984, Lesk worked at Bell Labs in the group that built Unix. Lesk wrote Unix tools for word processing (tbl, refer, and the standard ms macro package, all for troff), for compiling (Lex), and for networking (uucp). He also wrote the Portable I/O Library (the predecessor to stdio.h in C) and contributed significantly to the development of the C language preprocessor.

In 1984, he left to work for Bellcore, where he managed the computer science research group.

Lesk received the Flame award for lifetime achievement from Usenix in 1994, is a Fellow of the ACM in 1996, He has authored a number of books.

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Important facts

Born
1945, United States
Birth century
Known for
Lesk algorithm, Lex (software), SMART Information Retrieval System
Education
Harvard University, Harvard College
Employers
Rutgers University
Awards
ACM Fellow; List of Fellows of the Association for Computing Machinery; National Academy of Engineering
Also known as
Michael E. Lesk

Contemporaries

People whose lives overlapped Mike Lesk's

Frequently asked questions

Who is Mike Lesk?

American computer scientist

When was Mike Lesk born?

Mike Lesk was born in 1945 in United States.

What is Mike Lesk's occupation?

Mike Lesk is a computer scientist and university teacher.

What is Mike Lesk known for?

Mike Lesk is known for Lesk algorithm, Lex (software) and SMART Information Retrieval System.

What nationality is Mike Lesk?

Mike Lesk is American.

Sources & further reading

Β· Wikipedia: Mike Lesk

Β· Wikidata: Q731229

Β· DBpedia: Mike Lesk

Cite this page

APA: Biography.guide. (2026). Mike Lesk. https://biography.guide/mike-lesk/

MLA: "Mike Lesk." Biography.guide, https://biography.guide/mike-lesk/.

Chicago: "Mike Lesk." Biography.guide. https://biography.guide/mike-lesk/.

Data last updated: 2026-09-20 Β· Spot an error? Report a correction.

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