Oyez page for the 2009 Supreme Court Case Pleasant Grove City v. Summum.

Summum is a religion and philosophy founded by Claude Nowell in 1975. Contact through the website.

Kent Greenawalt is a professor at Columbia Law School in New York City. He is the author of publications on church and state issues. He is the author of Religious Conviction and Political Choice (1991).

The Texas Freedom Network is a pro-evolution citizens watchdog group that monitors science education standards in the state. Its Texas Faith Network is a group of clergy and laypeople who would like to keep religious teaching about the origins of the world and of life out of the public school classroom.

Freethought Today newspaper is put out 10 times a year by the Freedom From Religion Foundation. It is the only freethought newspaper in North America.

Read an Oct. 19, 2009, NPR story about the schism beween atheists and “new atheists.”

The National Day of Reason is held each May as a counterpoint to the National Day of Prayer.

Freethought Day commemorates an Oct. 12, 1692, evidentiary decision by William Phipps, governor of the Colony of Massachusetts, that ended the Salem witch trials. An outdoor observance marking the anniversary is held each year in Sacramento, Calif.