GNU Jack Cohen - 

Scientist, author, TV scientist and Discworld Fanatic

Will be sadly missed, He shared His love of Biology, a Top expert often called on by the Police and Governments.

He was Hosting a meeting of UK Top Forensic scientists, Top Police and Officials

His phone goes off - He puts it on speaker

"Hi Jack, How much Force would it take to half a Big man in 2 with say a Sabre ?, oh and How much force to crush a mans skull between someones hands"

Shock around faces in room -

"Oh, it's ok it's only Terry Pratchett" 

He got these calls all the Time