Robert Barry (born March 9, 1936) is an American artist.
[2] Barry's work focuses on escaping the previously known physical limits of the art object in order to express the unknown or unperceived.
Major nonvisible works from his early period include "Carrier Wave", in which Barry used the carrier waves of a radio station for a prescribed length of time "not as a means of transmitting information, but rather as an object.
",[4] Radiation Piece, and Inert Gas Piece, in which Barry opened various containers of inert gases in different settings before groups of spectators, such as a canister of helium released in a desert.
[5] In the late 1960s Barry's work was published in 0 to 9 magazine, an avant-garde journal which experimented with language and meaning-making.