Dentistry

Carl Elsener: Businessman who transformed the Swiss Army Knife into a

Starting as a teenage apprentice cutler, Carl Elsener went on to turn a relatively simple penknife into the global phenomenon that is the multi-functional Swiss Army Knife. He worked for the Swiss family firm Victorinox for 70 years, 57 of them as CEO, and retained the honorary, almost spiritual title "Senior Leader" until his death at the age of 90.

One Monkey Don't Stop No Show, Tricycle Theatre, London

They don't make 'em like this any more - well, not quite. Written in 1982 by African-American dramatist Don Evans, One Monkey Don't Stop No Show whisks us back to the 1970s and takes a mischievously comic look at the then prevailing attitudes to ethnicity, class and sexual politics.

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The Insider: Clever tidy-ups

One can procrastinate over tidying for many reasons – a favourite, as it tends to defer the effort indefinitely, is to conclude that there's no point until I buy that magic laundry rack/under-sink thingy/swishy wall-hanging clutter-holding gadget. But with these bargain DIY versions, there's no excuse…