| Prof. Karl Kleine | a couple of photos |
| some portraits of me ... | ||||
| 2018, taken at the XIV. Austrian Symposium on the History of Mathematics, Miesenbach | |||
| about 2015, in my study at home | |||
| 2014, at a meeting in the garden | |||
| 2007 | |||
| at slide rule conferences ... | ||||
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inspecting some AWF special slide rules with Nathan Zeldes at IM2013 in Berlin | |||
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organizing a session with Peter Hopp, IM2012 at Bletchley Park | |||
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presenting the replica of Lambert's calculating rods of 1761,
IM2007 Greifswald [see also the article on my german publications page] | |||
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showing the rare D&P 29 by Nelting, in the background
a number of IJzebrand Schuitema's slide rule display boards,
IM2003 at Amsterdam / Breukelen [unfortunately, I do not own any of the few Nelting slide rules; this one was borrowed to show it at the conference] | |||
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presenting a special slide rules for ophthalmic opticians for the determination of lens parameters for severe cases, RST15 Berlin 2007 | |||
| finally, any home needs a teddy bear, or two — just for fun | ||||
| Professor Wolli is my bear from childhood, with bespoke robe tailored by my wife, a true academic. You see him with his books and PC at work (yes, it's a real PC, a HP 200LX). | |||
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James, our Young Collector of the Month, proudly presenting some slide rules of his collection | |||
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