Chung Laung Liu

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In this Chinese name, the family name is Liu.
Liu Chung Laung
劉炯朗
Born1934
Guangzhou, Guangdong, China
Died7 November 2020(2020-11-07) (aged 85–86)
Taipei, Taiwan
NationalityTaiwanese
EducationNational Cheng Kung University (BS)
Massachusetts Institute of Technology (BE, MS, DSc)
AwardsMember of Academia Sinica
Scientific career
FieldsComputer science
InstitutionsMassachusetts Institute of Technology (1962–1972)
University of Illinois at Urbana-Champaign (1972–1998)
National Tsing Hua University (1998–2002)
City University of Hong Kong
National Cheng Kung University (2007–2020)
ThesisSome memory aspects of finite automata (1962)
Doctoral advisorDean Norman Arden
David A. Huffman
Doctoral studentsAndrew Yao

Liu Chung Laung (Chinese: 劉炯朗; pinyin: Liú Jiǒnglǎng; 1934 – 7 November 2020), also known as David Liu or C. L. Liu, was a Taiwanese computer scientist. He received his undergraduate degree in Taiwan, master's degree and doctorate in the United States.

Early life and education

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Liu was born in Guangzhou, China, in 1934 and moved with his family to Macau in 1937 after the outbreak of the Second Sino-Japanese War.[1] He had two brothers; his older brother became an aeronautical engineer and his younger brother became a chemical engineer. Their father, Liu Peiran, was a pilot in the National Revolutionary Army. In Macau, Liu attended primary school and high school, and became fluent in Cantonese.[2]

After graduating from high school in Macau in 1952, Liu went to Taiwan and enrolled at National Cheng Kung University, where he studied physics and calculus. He graduated from Cheng Kung with a Bachelor of Science (B.S.) in 1956 and completed two years of military service in the Republic of China Armed Forces.[2] After graduation, he won a scholarship to pursue graduate studies in the United States at the Massachusetts Institute of Technology (MIT), where he earned a Bachelor of Electrical Engineering (B.E.E.) and a Master of Science (M.S.) in electrical engineering, both in 1960. Liu wrote his M.S. thesis, "A study in machine-aided learning," under engineering professor Ronald A. Howard.[3]

In 1962, after only two years of study, Liu completed his Doctor of Science (D.Sc.) in electrical engineering at MIT under professors Dean N. Arden and David A. Huffman.[4] As a graduate student, he worked part-time as a research assistant and took a class with Claude Shannon.[2] His doctoral dissertation was titled, "Some memory aspects of finite automata".[5]

Career

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He was on the faculty of the Massachusetts Institute of Technology (1962–1972) and the University of Illinois at Urbana-Champaign (1972–1998), where he was Associate Provost from 1995 to 1998. He then retired from UIUC and served as President and Professor of Computer Science at the National Tsing Hua University (NTHU) in Hsinchu, Taiwan from February 1998 to February 2002. He was the William Mong Honorary Chair Professor at National Tsing Hua University. He was a visiting professor at City University of Hong Kong, and at Waseda University, Tokyo, Japan, and Li K. T. Honorary Chair Professor at National Central University.[6] Since 2007 he was Li Kuo-Ting Forum Professor at National Cheng Kung University.[7]

He was the author and co-author of seven books and monographs, and over 180 technical papers.[6][8] His research interests included computer-aided design of VLSI circuits, real-time systems, computer-aided instruction, combinatorial optimization, and discrete mathematics.

Awards and honors

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He received the IEEE Millennium Medal, and the IEEE Circuits and Systems Society Golden Jubilee Medal in 2000. He also received the IEEE Computer Society, Real Time Systems Technical Committee 1999 Technical Achievement Award (inaugural winner) for his contributions in the area of real time scheduling, and the IEEE Circuits and Systems Society 1998 Technical Achievement Award for his contributions in the area of computer aided design of VLSI circuits. He received an Outstanding Talents Foundation Award in 1998. He was the recipient of the 1994 IEEE Education Medal. He also received the Taylor L. Booth Education Award from the IEEE Computer Society in 1992, and the inaugural winner of the Karl V. Karlstrom Education Award from the Association for Computing Machinery in 1989.[9]

He was a member of Academia Sinica (elected 2000),[10] a fellow of the Institute of Electrical and Electronics Engineers,[6] and a fellow of the Association for Computing Machinery.[11]

In 2004, the University of Macau awarded him an honorary doctorate.[6]

Liu was married to Jane Liu, also a distinguished computer scientist and known for her work in real-time computing.[12] He died on 7 November 2020, aged 86,[13] in Taipei.[14]

Awards

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References

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  1. ^ Schmitt, Laura (December 17, 2020). "Remembering C.L. Dave Liu, Renowned Illinois CS Professor". University of Illinois Urbana-Champaign. Retrieved 2025-08-23.
  2. ^ a b c Fairburn, Doug (2014-06-02). "Liu, David (C.L.) oral history". Computer History Museum. Retrieved 2025-08-23.
  3. ^ Liu, C. L. (Chung Laung) (1960). A study in machine-aided learning (Master of Science thesis). Massachusetts Institute of Technology.
  4. ^ Martins, Rui (2020-11-09). "Tribute to: Professor Chung Laung (David) Liu". University of Macau. Retrieved 2025-08-23.
  5. ^ Liu, C. L. (Chung Laung) (1963). "Some memory aspects of finite automata" (DSc Thesis). Massachusetts Institute of Technology.
  6. ^ a b c d A Citation for Professor Liu Chung Laung, speech by Prof. Rui Martins of the Univ. of Macau on the presentation of an honorary doctorate to Liu in 2004.
  7. ^ Seminar with Academician Chung-Laung Liu: ‘My Learning Experiences’ Archived 2017-02-02 at the Wayback Machine, National Cheng Kung University, October 7, 2009, retrieved January 26, 2017.
  8. ^ C. L. Liu at DBLP Bibliography Server Edit this at Wikidata
  9. ^ C. L. Liu wins Karl Karstrom Award, 1989
  10. ^ "Chung-Laung Liu". Academia Sinica. Retrieved 22 November 2020.
  11. ^ a b Dave Liu - Award Winner - 1994 ACM Fellows Award Citation.
  12. ^ Wen, Wujie (2020), "An interview with professor David C. L. Liu, legendary computer scientist and educator", IEEE Circuits and Systems Magazine, 20 (4): 4–7, doi:10.1109/mcas.2020.3027198, S2CID 229231298
  13. ^ 獨家》清大前校長劉炯朗病逝 電子設計自動化祖師爺 享壽86歲 (in Chinese)
  14. ^ "ACADEMICIAN CHUNG-LAUNG LIU HAS PASSED AWAY". Academia Sinica. 19 November 2020. Retrieved 22 November 2020.
  15. ^ "SIGDA Pioneering Achievement Award". Archived from the original on 2019-05-10. Retrieved 2017-01-26.
  16. ^ "TCRTS | IEEE Computer Society". 23 April 2018.
  17. ^ "Awards and Fellows | IEEE Circuits and Systems Society". Archived from the original on 2015-10-25. Retrieved 2015-09-02.
  18. ^ "IEEE James H. Mulligan, Jr. Education Medal Recipients" (PDF). IEEE. Archived from the original (PDF) on June 19, 2010. Retrieved November 24, 2010.
  19. ^ "Past recipients for Taylor L. Booth Education Award". IEEE Computer Society. Archived from the original on January 10, 2011. Retrieved December 8, 2011.
  20. ^ "Karl V. Karlstrom Outstanding Educator Award". Association for Computing Machinery. Archived from the original on 2012-04-02. Retrieved December 8, 2011.
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Academic offices
Preceded by President of National Tsing Hua University
1998-2002 		Succeeded by