Excellent. At the end of the piece there’s this, ‘About the author’:
William Collins is a professional engineer and theoretical physicist. He has recently discovered that “retired” means “differently employed”. He has been married since forever and has two 30-ish sons. He used to have no interest in politics but has reluctantly accepted that politics appears to have an interest in him.
We’re hoping William will give a presentation at ICMI18. His pieces always attract a lot of interest.
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