David Mach is a very cool sculptor. He Is Scottish. 
Yes.. his art installations are pretty famous. 
Mach's artistic style is based on flowing assemblages of mass-produced objects, like teddy bears, match sticks and coat hangers. Pretty out there!
David Mach
David Mach (born 18 March 1956) is a Scottish sculptor and installation artist.
Life and work.
Mach was born in Methil, Fife.
His artistic style is based on flowing assemblages of mass-produced objects. Typically these include magazines,vicious teddy bears,newspapers, car tyres, match sticks and coat hangers. Many of his installations are temporary and constructed in public spaces.
One example of his early magazine pieces, "Adding Fuel to the Fire", was an installation
Mach suggests that there is some physical law which would make it so you would feel a centrifugal force. There are a number of rival formulations of the principle. It is often stated in vague ways, like "mass out there influences inertia here". A very general statement of Mach's principle is "local physical laws are determined by the large-scale structure of the universe".
This concept was a guiding factor in Einstein's development of the general theory of relativity. Einstein realized that the overall distribution of