[3] From 1957 to 1959 he studied painting, drawing and sculpture at the Australian National Art School under John Passmore and Lyndon Dadswell.
Whilst in London in 1962 he was included in the prestigious "Young Commonwealth Artists" exhibition that toured Germany, France and England.
His work of this time can be seen as developing a prototype for methods of exhibition practice that have subsequently become known as installation, multi-media and electronic art.
A typical Treweeke exhibition during the Central Street years included silkscreen images on modular canvas panels coated in fluorescent paint, a sound component and then the whole space would be saturated in ultraviolet neon light.
His lifelong interest in beat culture; exotic religions and alternative lifestyles eventually led him to the town of Nimbin.