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In Memoriam: Per-Simon Kildal (1951-2016)

Submitter: Arnold van Ardenne
Description: While at a recent conference, our good friend Per-Simon Kildal suffered a major haemorrhage and passed away at the age of 64 on Thursday 21 April, 2016.

He was a long-time professor at Chalmers University (Sweden), and played a large role in its close relationship with ASTRON. Apart from collaborating in the research and development of antennas (e.g. for SKA), Chalmers also became the home of our very own Marianna Ivashina and Rob Maaskant. And as a result of my own joint appointment, several Chalmers students continued their education at ASTRON and Groningen. I fondly remember his contribution to the workshop at the occasion of my ASTRON retirement.

Per-Simon is probably best known to the radio astronomy community for his research of the so-called "eleven" feed, a main contender for wideband single-pixel feeds for the Square Kilometre Array dishes. This work was performed in close connection with the Onsala Space Observatory, and was supported also by the SKA and national Swedish grants. In addition, he designed the feed system for the 300 Arecibo dish, feeds for OSO, and the wideband antenna for VLBI2010.

As an incredibly positive, dynamic and broadly oriented person, he wrote hundreds of publications, published two books on antennas and feeds, and stood at the basis of several companies, valorising patents of antenna designs.

Per-Simon's diverse and many fruits cannot be reaped anymore, neither by him nor by his family. But our memories and his many professional contributions will last.

Copyright: Picture: Jan-Olof Yxell,Chalmers University of Technology
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