Yoko Ono (1933-present) is an artist and musician who was originally associated with the Fluxus movement. She often works through text and writes instructions for works of art:
PAINTING TO SHAKE HANDS
(painting for cowards) (1961)
Drill a hole in a canvas and put your hand out from behind. Receive your guests in that position. Shake hands and converse with hands.
You can read more here: http://www.a-i-u.net/instructions.htm or buy her book, Grapefruit, which is full of hundreds of instructions:
Yoko Ono also does sculptural art which is interactive or instructional, plus collaborated with John Lennon on many pacifist political pieces: