Have you heard of David Mach? 
No, I never have. Who is he?
He is a Scottish sculptor and installation artist.
What is an installation artist?
It has to do with flowing assemblages of mass-produced objects.
Is he still alive today and working as an artist?
Oh, yes, and he was born 18 March 1956 in Methil, Fife
Do you know where some of his work can be seen at?