Kurtz also founded the organization the Center for Inquiry which focuses on promoting secular humanism/philosophical skepticism. In 2009, Dr. Kurtz experienced the humiliation of being stripped of his leadership position at the Center for Inquiry. Dr. Kurtz described this humiliating event as a "shattering blow".
Infighting within the Secular Humanism faction of atheism caught on tape
See also: Atheist factions
Currently, there is an ideological struggle within the secular humanism faction of atheism concerning how militant the movement should be which primarily arose post New Atheism movement which is a more militant form of atheism. (see also: Militant atheism and Atheist factions). Paul Kurtz was against the secular humanism movement becoming more militant but some newer followers of secular humanism disagree with Kurtz.
On October 10, 2010, a contentious exchange between members of the Secular Humanism faction of atheism founded by Paul Kurtz and the atheist Ron Lindsay was caught on tape.Video - Part oneVideo - Part 2 During the exchange Ron Lindsay said that infighting has been occurring within the Secular Humanism faction of atheism for years. A Paul Kurtz supporter said that Kurtz was censored by Ron Lindsay and his supporters and driven out of the organization that he founded (Center for Inquiry). Lindsay claimed, however, that Kurtz voluntarily resigned from the organization he founded and Kurtz was never censored. Furthermore, Lindsay said that Kurtz's idea of a "planetary federation" was impractical.  Kurtz countered that he was never allowed to publish why he resigned from the organization and that he was censored by the organization that he founded.
- Paul Kurtz is another atheist failure without a legacy
- Paul Kurtz, the father of secular humanism, is shown a lack of respect by the Secular Web. Paul Kurtz: Another atheist without a legacy
- PZ Myers proves Paul Kurtz, the father of secular humanism, was another atheist failure without a legacy
- Paul Kurtz - website