Re: Rudger Kieboom

["George Janelidze" <George.Janelidze@uct.ac.za>]

We will miss Rudger Kieboom's mathematics, and his kindness and friendship.

Very sadly, the 97th PSSL (2015) at Louvain-la-Neuve, dedicated to his 65th
birthday, also turned out to be the last time to see him for many of us.

George Janelidze

--------------------------------------------------
From: "Tim Van der Linden" <tim.vanderlinden@uclouvain.be>
Sent: Monday, September 5, 2022 4:59 PM
To: <categories@mta.ca>
Subject: categories: Rudger Kieboom

> I have the sad honour to announce the passing of Rudger Kieboom
> (1950-2022), Professor Emeritus at the Vrije Universiteit Brussel (VUB).
> His enthusiasm for Category Theory influenced several master students at
> the VUB. Philippe Cara, Tomas Everaert and I made our Ph.D.'s under his
> guidance.
>
> After an initial two years of studies in his home town Antwerp, Rudger
> obtained both his M.Sc. (1970) and Ph.D. (1976) at the VUB, where he woul=
d
> work  for 45 years in total. His main mathematical interest was in
> classical homotopy theory (diverse types of (co)fibrations, homotopy
> lifting and extension properties), work which gradually became more
> categorical, with later results in a 2-dimensional and in an
> internal-categorical context.
>
> Rudger was a friendly, good-humoured man, who enjoyed a good discussion
> over a glass of beer. Apart from science, mathematics, horror movies and
> philosophy, he was passionate about jazz: he would never miss an edition
> of Antwerp's yearly jazz festival. Unfortunatly, at the end of his active
> career, Rudger was diagnosed with Alzheimer's disease. This caused him to
> be hospitalised suddenly, seven years ago. His disease soon made any type
> of contact  impossible, so in this sense we have already had to miss him
> for several years.
>
> Tim Van der Linden


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