Poet, composer, printer, and interdisciplinary artist who was part of the Fluxus movement in the 1960s. His publications include On the Composition of Signs and Images and A Dialectic of Centuries: Notes towards a Theory of the New Arts.
He was born in England and raised in New England. In his early adulthood years, he attended the New School of Social Research in New York City.
He invented the term "intermedia" to describe the cross-disciplinary work that he and other Fluxus artists carried out.
He wed Alison Knowles, also an artist, in 1960. Knowles subsequently gave birth to twin daughters.
He studied composition in New York with John Cage.