I really do like some of David Mach's sculptures, Have you seen them? They are quite fantastic. 
They are stunning. His work is based on mass-produced objects in flowing assemblages
Yes I just love that about him, He has some gigantic sculptures as well. How old is David anyways? 
He was born on March 18, 1956 in Scotland
Oh wow so hes not too old, Do you have a favorite sculpture by David? 
Polaris was one of his early influential sculptures. It was outside the Royal Festival Hall in London in 1983.
Oh yes I remember that one! That was truly a fascinating piece indeed. Do you know if David has sold any of his works? And how can I buy one? 
I'm not sure, I've mainly seen his work exhibited in public spaces
Oh ok, Yeah he sure does love to show off his works for sure, What is his biggest sculpture anyways? I forget.
assembled from an old truck and several cars surrounded and subsumed by about 100 tons of magazines, individually arranged to create the impression that the vehicles were being caught in an explosion of flames and billowing smoke.
An early influential sculpture was "Polaris," exhibited outside the Royal Festival Hall, South Bank Centre, London in 1983. This consisted of some 6000 car tyres arranged as a lifesize replica of a Polaris submarine. Mach intended it as a protest against the nuclear arms race meant to stir controversy. A member of
his opinion. He replied, "I have seen during my life many old fools; but this one beats them all." Another story, according to Aulus Gellius, is that when Antiochus III showed off the gigantic and elaborately equipped army he had created to invade Greece to Hannibal, he asked him if they would be enough for the Roman Republic, to which Hannibal replied, "I think all this will be enough, yes, quite enough, for the Romans, even though they are most avaricious." In