Wikipedia

Leonard Lewin (engineer)

This article is about the telecommunications engineer and educator. For the American writer, see Leonard C. Lewin.

Leonard Lewin (22 July 1919 – 13 August 2007) was a British telecommunications engineer and educator. Later emigrating to the United States, Lewin became Professor of Electrical and Computer Engineering at the University of Colorado Boulder.[1][2][3] He was the author and holder of 40 patents and wrote, co-wrote, or edited nearly 200 technical publications.[1][2][3]

Leonard Lewin
Born(1919-07-22)22 July 1919
Essex, England
Died13 August 2007(2007-08-13) (aged 88)
Louisville, Colorado, US
SpouseDaphne Smith
Children
  • David Ian Lewin
  • Wendy Patricia Lewin
Scientific career
FieldsElectrical engineering
Institutions

Early life and career

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Lewin was born on 22 July 1919 in Southend-on-Sea, Essex, England. Educated at Southend High School for Boys, and studying "mathematics with particular reference to transcendental functions and the electromagnetic theory of radiation,"[4] he first found employment in 1937 with the Marconi Wireless Telegraph Company.[1][2][3] In 1941 he became a radio instructor and from then until the end of World War II he served with the Admiralty Signal Establishment (ASE) as a Temporary Experimental Officer, researching radar, radio antenna and mirror design,[1][2][3][4] and in 1945 he served as chairman of the Inter-Service Committee on Radar Camouflage.[4]

After the war, in 1946, Lewin worked for Standard Telecommunication Laboratories at Enfield, North London as a senior engineer and in 1950 he was appointed head of the Microwave Engineering department.[1][2][3]

Academic career

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In 1968, Lewin emigrated to the United States and embarked on an academic career. Joining the University of Colorado, he took up the post of Professor of Electrical Engineering, being made a Fellow of the Institute of Electrical and Electronics Engineers (IEEE),[5] and ultimately becoming Director of the Interdisciplinary Telecommunications Program, run by the College of Engineering and Applied Sciences.[1][2][3] He was also a Fellow of the British Interplanetary Society.[2]

Patents, awards, lectures and publications

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Patents

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During his career, Leonard Lewin authored and was granted 40 patents.[1][2][3]

Awards

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In 1962, Lewin was awarded the Microwave Prize by the IEEE Microwave Theory and Techniques Society.[1][6]

In 1967, The University of Colorado awarded Lewin an Honorary Doctorate of Science (D.Sc.).[1][2][3]

In 1981, Lewin became a Fulbright scholar, and he lectured in Austria, Turkey and Yugoslavia.[1][2][3]

In 1981 and 1990, Lewin lectured at the École nationale supérieure des télécommunications in Paris, France.[2][3]

In 1987 Lewin gave the IEEE (New Zealand) National Prestige lecture on the topic of education.[2]

In 1990, Lewin lectured at the University of Auckland in New Zealand.[2][3] He was also invited to speak at the 1990 International Congress of Mathematicians in Kyoto, Japan.[7]

In 1991, Lewin lectured at the Max Planck Institute for Mathematics in Bonn, Germany.[2][3]

In 1993, after his retirement, Lewin received the Microwave Career Award from the Institute of Electrical and Electronics Engineers (IEEE) Microwave Theory and Techniques Society.[1][2][3][5]

Publications

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Lewin also wrote, co-wrote, or edited nearly 200 technical publications, including more than 10 research books on waveguides, mathematics and telecommunications.[1][2][3][8]

Technical publications include:[9]

  • Reflection Cancellation in Waveguides (1950, author)[10]
  • Advanced Theory of Waveguides (1951, author)
  • Interference in Multi-Channel Circuits (1951, author)[11]
  • Note on Reactive Elements for Broad-Band Impedance Matching (1952, author)[12]
  • Dilogarithms and Associated Functions (1958, author)
  • Explanatory notes on the use of singular integral equations in the solution of waveguide discontinuity problems (1963, author)
  • The reactance of a symmetrical pair of strips in rectangular waveguide (1963, author)
  • Theory of Waveguides: Techniques for the Solution of Waveguide Problems (1975, author)
  • Some Comments on the Time-Causal Characteristics of Leaky and Surface Waves (1976, author)
  • Electromagnetic waves and curved structures (IEE electromagnetic waves series / Institution of Electrical Engineers, 1977, co-author)
  • Telecommunications: An Interdisciplinary Survey (1979, editor)
  • Polylogarithms and Associated Functions (1981, author)
  • Telecommunications in the U.S.: Trends and Policies (Telecommunications Library, 1981, editor)
  • Telecommunications: An Interdisciplinary Text (Artech House Telecom Library, 1984, editor)
  • Education, the Hidden Agenda (1987, author)
  • The Educational Background and Opportunities (1987, author)
  • Structural Properties of Polylogarithms (Mathematical Surveys and Monographs) (1991, editor)

Sufi-related publications include:

  • The Diffusion of Sufi Ideas in the West: An anthology of new writings by and about Idries Shah (1972, editor)
  • The Elephant in the Dark (1976, editor)
  • Science and the Paranormal (The Institute for Cultural Research, 1979, author)[7][13]
  • "Sufi Studies: East and West" in The World of the Sufi (1979, contributor)

The Diffusion of Sufi Ideas in the West won an award from UNESCO's 1972 International Book Year.[7]

Later life

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On his retirement from the University of Colorado in 1986, Lewin was made Professor Emeritus and continued to lecture for several years after that time.[1] He died on 13 August 2007 at a hospice in Louisville, Colorado.[2][3]

Other interests

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Interested in education, philosophy and spirituality, Leonard Lewin served on the District Accountability Committee and the Advisory Committee for the Talented and Gifted in the Boulder Valley School District.[2][3] He was also a student of Sufi mysticism and established and led study groups[14] under the guidance of Idries Shah,[15] Shah's brother Omar Ali-Shah and Ali-Shah's son, Arif Ali-Shah.[2][3]

Notes and references

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  1. ^ a b c d e f g h i j k l m Staff (1993). "1993 Microwave Career Award" (PDF). IEEE Microwave Theory and Techniques Society. Archived (PDF) from the original on 25 April 2018. Retrieved 25 April 2018.
  2. ^ a b c d e f g h i j k l m n o p q r s Abouzahra, Mohamed; Kuester, Edward (2008). "Transitions: In Memory of Prof. Leonard Lewin". IEEE Microwave Magazine. 9: 112–113. doi:10.1109/MMM.2007.910941.
  3. ^ a b c d e f g h i j k l m n o p q Staff (6 September 2007). "Obituaries". University of Colorado. Archived from the original on 2010-06-04. Retrieved 2010-02-09.
  4. ^ a b c Staff (March 1952). "Leonard Lewin [short biography]" (PDF). Electrical Communication. 29 (1): 83. Retrieved 25 April 2018.
  5. ^ a b Networking and Telecommunications: Concepts, Methodologies, Tools and Applications, Volumes 1-3. IGI Global. 2010. p. 37.
  6. ^ Staff. "Past Awardees: IEEE Microwave Theory and Techniques Society". IEEE Microwave Theory and Techniques Society. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
  7. ^ a b c Staff. "List of Monographs". The Institute for Cultural Research. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
  8. ^ Staff. "Leonard Lewin's scientific contributions while affiliated with University of Colorado Boulder (Boulder, United States) and other places". Archived from the original on 25 April 2018. Retrieved 25 April 2018.
  9. ^ Staff. "Lewin, Leonard 1919-2007". WorldCat Identities. Online Computer Library Center. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
  10. ^ Lewin, Leonard (March 1950). "Reflection Cancellation in Waveguides" (PDF). Electrical Communication. 27 (1): 48–55. Retrieved 25 April 2018.
  11. ^ Lewin, Leonard (June 1951). "Interference in Multi-Channel Circuits" (PDF). Electrical Communication. 28 (2): 142–155. Retrieved 25 April 2018.
  12. ^ Lewin, Leonard (March 1952). "Note on Reactive Elements for Broad-Band Impedance Matching" (PDF). Electrical Communication. 29 (1): 75–76. Retrieved 25 April 2018.
  13. ^ Staff (19 February 2018). "Science and the Paranormal by Leonard Lewin, D.Sc. 1979". The Idries Shah Foundation. Archived from the original on 25 April 2018. Retrieved 25 April 2018.
  14. ^ Lewin, Leonard. "Science and the Paranormal" (PDF). Monographs. The Institute for Cultural Research. Archived (PDF) from the original on 25 April 2018. Retrieved 25 April 2018.
  15. ^ Sedgwick, Mark (2017). Western Sufism: From the Abbasids to the New Age. Oxford: Oxford University Press. p. 217.
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