It was self-published ('Grassy Knoll Press') as a pamphlet, and the full text appeared in the December 1966 issue of Ramparts magazine.
The plot follows MacBird from the 1960 Democratic National Convention, when he becomes John Ken O'Dunc's Vice President ("Hail, Vice-President thou art!
began as a short satirical sketch by Garson, a recent graduate of the anti-Vietnam war movement at University of California, Berkeley.
Levine, who worked with Garson to develop the sketch to a full-length play, was the original director of Macbird!
His bold theatrical vision marked the production throughout the run; near the end of the previews, however, he was replaced by Gerald Freedman.
Set design was by Clarke Dunham, costumes were by Jeanne Button, and lights were by Robert Brand.
The play had a long engagement, with a different cast in Los Angeles, where Robert F. Kennedy was assassinated on June 5, 1968 while running for the Democratic presidential nomination.