The photograph above was taken by me at my summerhouse (i.e., an allotment garden with a comfortable large shed) in Leiden, exactly 9 years ago, with Jerry Friedman, Jacqueline Meulman, and Willem. It is early evening and we are enjoying a choice single malt and some tasty snacks. Jacqueline is wearing a t-shirt with the logo designed by me of our new master programme “Statistical Science for the Life and Behavioural Sciences”.
Below I am, for the time being, just posting a large collection of photographs sent in by a number of Bill’s old friends. I will also later add some of the comments they made in their emails. I will perhaps also add some personal remarks in the near future.
Before the many photo albums contributed by Bill’s friends, here is a link to a Zoom commemoration hosted by myself, which started one hour after the start of Willem’s funeral. Participants: Maryse Loranger, Richard Gill, Estate Khmaladze; Friedrich Götze and his wife, Marie-Colette van Lieshout, Nick Fisher; Peter Grunwald, and Ildar Ibragimov (who later managed to switch on his webcam); later arrivals were Ronald Cramer and Steffen Lauritzen:
https://www.math.leidenuniv.nl/~gill/zoom_0.mp4

The file is 207 MB mp4; duration 35 minutes; 5 minutes silence at ca. 25 – 30 min., when Zoom briefly fails us. You can also watch it on YouTube:
https://www.youtube.com/watch?v=s_yo1Uwzw9c.
And now to the photographs. First of all, three sets of pictures taken by Chris Klaassen, starting with Willem’s 75th birthday celebrations:
Chris Klaassen, Willems 80th birthday celebration, Leiden:
Chris Klaassen, Willem’s 80th birthday event in Utrecht:
David Mason:
Friedrich Götze:
Jacqueline Meulman and Maarten Kampert:
Marie Huskova:
Marta Fiocco:
Nick Fisher:
Niels Keiding:

Peter Bickel:
Richard Gill:
Rudi Beran:
Sara van de Geer:
Stephen Stigler:
Vera Wellner:
Miscellaneous: