The story of the life of artist Ray Johnson is cloaked in mystery not only at the moment of his death, but also throughout a career that was difficult to know and to understand. As one of the seminal figures in the Pop Art era, Johnson is known as the founding father of mail art and as a collagist extraordinaire. But, overshadowed by those like Warhol who manipulated that world in a very dissimilar manner, he was also a reclusive and sometimes enigmatic figure who has been called New York's most famous unknown artist, but who challenged the commercial and critical establishment.