About Terry Welch
Lived 1939 – 1988 (aged 49). Terry Welch was an American cryptographer, computer scientist and engineer, known for Lempel–Ziv–Welch.
Terry Archer Welch (January 20, 1939 – November 22, 1988) was an American computer scientist. Along with Abraham Lempel and Jacob Ziv, he developed the lossless Lempel–Ziv–Welch (LZW) compression algorithm, which was published in 1984.
He taught at the University of Texas at Austin and worked in computer design at Honeywell in Waltham, Massachusetts. In 1976, he joined the Sperry Research Center in Sudbury as manager of computer architecture research for 7 years. While working at the Sperry Research Center, he published the LZW algorithm.
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Important facts
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Frequently asked questions
Who was Terry Welch?
American computer scientist
When was Terry Welch born?
Terry Welch was born on 20 January 1939.
When did Terry Welch die?
Terry Welch died on 22 November 1988.
What was Terry Welch's occupation?
Terry Welch was a cryptographer, computer scientist and engineer.
What was Terry Welch known for?
Terry Welch was known for Lempel–Ziv–Welch.
What nationality was Terry Welch?
Terry Welch was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Terry Welch. https://biography.guide/terry-welch/
MLA: "Terry Welch." Biography.guide, https://biography.guide/terry-welch/.
Chicago: "Terry Welch." Biography.guide. https://biography.guide/terry-welch/.
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