Atheism is a lack of belief in the existence of a personal God. Alan Watts did not believe in a personal God.
"The difficulty for most of us in the modern world is that the old-fashioned idea of God has become incredible or implausible." -Alan Watts
"The religious idea of God cannot do full duty for the metaphysical infinity." -Alan Watts
"The style of God venerated in the church, mosque, or synagogue seems completely different from the style of the natural universe." -Alan Watts
"But to me nothing - the negative, the empty - is exceedingly powerful." -Alan Watts