Monthly Archives: October 2019


Sybolt Harkema (1940-2019)

On September 1st, 2019, Sybolt Harkema, former Assistant Professor at the Technical University Twente, died at the age of 78 years. Sybolt Harkema was born in Noordeloos, the Netherlands, as the son of vickar Harke Harkema and his wife Agaath. He visited the secondary school (lyceum) in Zeist at the […]

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Catalina Ruiz Pérez (1957-2019)

It is with great sorrow that we report that our colleague Professor Catalina Ruiz-Perez passed away on August 8 when she was sixty-two. Catalina Ruiz-Pérez was born in Valencia (Spain) in 1957 and she was Full Professor of Applied Physics in the Department of Physics at Universidad de La Laguna […]