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In Memoriam (Obituaries) Archive

James Wong
Sunday, October 4, 2020
Eric Gregory
Sunday, August 28, 2016
Kiyoshi Tsukasa
Friday, January 25, 2013
Rafael Navarro
Friday, September 25, 2020
Eddie Man-Wai Leung
Monday, August 1, 2016
Henry Blosser
Tuesday, January 1, 2013
John "Jack" F. Mc Donald
Friday, February 21, 2020
Helen T. Edwards
Tuesday, June 21, 2016
Gordon Donaldson
Wednesday, November 28, 2012
Alvin Tollestrup
Sunday, February 9, 2020
Konrad H. Fischer
Tuesday, May 3, 2016
Michael Wulf
Friday, November 16, 2012
Archie MacRobert Campbell
Thursday, November 21, 2019
Karl Gschneidner
Wednesday, April 27, 2016
Rob McGrath
Wednesday, August 8, 2012
Francesco Negrini
Tuesday, August 20, 2019
Colmar Hinnrichs
Saturday, February 27, 2016
Jens Müller
Tuesday, July 24, 2012
John Robert Schrieffer
Saturday, July 27, 2019
William E. "Bill" Keller
Thursday, December 31, 2015
Carl Henning
Wednesday, June 13, 2012
Kamel Salama
Friday, July 12, 2019
Robert John Soulen, Jr.
Sunday, November 29, 2015
Akira Tonomura
Wednesday, May 2, 2012
Alan F. Clark
Friday, February 1, 2019
Herbert Bousack
Friday, November 13, 2015
Siegfried Wolff
Tuesday, March 13, 2012
Hans-Georg Meyer
Tuesday, December 25, 2018
Harry (Henry) Jones
Monday, August 24, 2015
Milan Polák
Tuesday, January 31, 2012
Kyoji Tachikawa
Friday, December 7, 2018
William Brownfield Fowler
Sunday, May 3, 2015
Marty Lubell
Monday, January 16, 2012
Roger W. Boom
Wednesday, August 8, 2018
Viktor Efimovich Keilin
Monday, November 24, 2014
Antonio Barone
Sunday, December 4, 2011
William “Bill” R. Shields
Friday, July 13, 2018
Koichi Kitazawa
Friday, September 26, 2014
Shoji Tanaka
Friday, November 11, 2011
Fernand D. “Doc” Bedard
Thursday, June 21, 2018
Werner Weber
Thursday, July 3, 2014
Clyde Taylor
Sunday, October 16, 2011
Vincenzo (Enzo) Palmieri
Friday, March 16, 2018
Hirosi Maeda
Saturday, May 24, 2014
Per Dahl
Saturday, October 1, 2011
Meyer Garber
Thursday, December 14, 2017
James H. Parker, Jr.
Tuesday, April 15, 2014
Ernst-Helmut Brandt
Thursday, September 1, 2011
James Nordman
Tuesday, November 21, 2017
Olga L. Polushenko
Tuesday, March 4, 2014
Igot Yanson
Monday, July 25, 2011
Henri Desportes
Sunday, September 24, 2017
Hans Hillman
Thursday, February 6, 2014
Ray Sarwinski
Wednesday, March 23, 2011
John Alcorn
Thursday, September 7, 2017
Nicola Sacchetti
Saturday, February 1, 2014
Hisashi Kado
Wednesday, December 22, 2010
Edgar A. Edelsack
Friday, May 5, 2017
Leo K. Kovalev
Tuesday, January 28, 2014
Gert Eilenberger
Sunday, November 21, 2010
Alexei Abrikosov
Wednesday, March 29, 2017
Alex Shikov
Saturday, October 26, 2013
W. James Carr Jr.
Tuesday, November 16, 2010
David G. Hawksworth
Wednesday, March 15, 2017
Nikolai Kopnin
Sunday, October 20, 2013
Michael Tinkham
Thursday, November 4, 2010
Peter E. Gifford
Sunday, January 29, 2017
Jeffrey A. Stern
Friday, October 11, 2013
Praveen Chaudhari
Thursday, January 14, 2010
Carl Leonard Goodzeit
Wednesday, January 25, 2017
Vladimir Pan
Friday, September 20, 2013
Vitaly L. Ginzburg
Sunday, November 8, 2009
Mauricio (Mau) de Lima Lopes
Tuesday, January 3, 2017
Øystein Håkon Fischer
Thursday, September 19, 2013
Zdenek J. J. Stekly
Friday, April 3, 2009
Lev Petrovich Gor'kov
Wednesday, December 28, 2016
John Clem
Friday, August 2, 2013
Masaki Suenaga
Friday, February 13, 2009
Peter Komarek
Wednesday, November 23, 2016
Klaus Irgmaier
Friday, June 28, 2013
Hiromi Hirabayashi
Friday, April 11, 2008
Giovanni Volpini
Wednesday, October 12, 2016
Joe Smith, Jr.
Tuesday, May 7, 2013
Hisao Hayakawa
Leszek Motowidlo
Wednesday, September 21, 2016
Sergey Egorov
Sunday, March 24, 2013

Hisao Hayakawa

(PO79).  Prof. Hisao Hayakawa passed away on July 12, 2020.

A European Perspective of Prof. Hayakawa’s Scientific Life

After some informal contacts with Prof. Hayakawa in the early 1990s, a more frequent exchange of opinions about the future of Superconducting Electronics, especially digital electronics, started after the European Network of Excellence in Superconductivity (SCENET) of the European Community was founded in 1996. I headed the Superconducting Electronics activities and advised the European Community about projects and new developments in the field. Starting from that point in time, the communication with Prof. Hayakawa intensified and his advice was essential for a creating a number of European research projects for Superconducting Electronics. On the other hand, the European effort also stimulated projects in Japan, at that time primarily in High-Tc Electronics. Laboratory visits and project quality assessments were done mutually in the following years. Eventually, we tried to come to a longer-standing formal cooperation between Japanese Superconductivity Research programs and European ones, but due to the lack of industry interest in Digital Superconducting Electronics, only the materials-related part was granted by the European community. This about started the downhill trend of HTS-electronics research in Europe and Japan.

Apart from his activity in research management in the cooperation between Europe and Japan, Prof. Hayakawa was also a gifted speaker and pleasant colleague, open for serious discussions and fun – with colleagues and students equally. He presented the Japanese activities in digital superconducting electronics on various occasions in Europe. One meeting was especially memorable, the SCENET Superconducting Electronics Workshop which took place from 20 - 22 March 2003 in Tenerife, Spain. I cite from my report to the European Community:

“The opening talk by Prof. Hayakawa was an excellent overview over the current METI-financed activities in digital superconducting electronics in Japan. It became clear that we arrived at a very important decision point in digital superconducting electronics in Europe. We are still able to compete with Japanese activities, but we will for sure fall behind if no major funding will become available soon to intensify this type of research and technology development in Europe. Especially activities like the SCENET-initiated FLUXONICS initiative for a European foundry for superconducting electronics are essential for the technological future of Europe in superconducting electronics. As one of the results following the discussions after the talk, we agreed to investigate the possibility to cooperate with Japan in a number of areas, such as materials technology for superconducting electronics and the design of digital circuits for fast data processing. We intend to realize such a co-operation in first instance via Japanese/European workshops.”

The combination of his excellence, openness, and friendly and relaxed contact with everyone made him a giant in the international superconducting electronics field. After his retirement, he fully stopped working in superconducting electronics. In the following years, I had contact with him from time to time, but then on a strictly personal basis. We will miss him badly.

Horst Rogalla

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