The Canadian Scientific & Christian Affiliation describes itself as “a fellowship of scientists and those interested in science, who want to understand how science should best interact with the life-giving Christian tradition.” Donald McNally is executive director.

Christians in Science is a British-based international organization open to scientists, teachers, students and others interested in the dialogue and interface of Christianity and science. It maintains local groups across the British Isles. Dr. Diana Briggs is the secretary.

The Episcopal Network for Science, Technology & Faith is open to all Episcopalians interested in the intersection of science, technology, medicine and faith.

The Presbyterian Association on Science, Technology and the Christian Faith is a program of the Presbyterian Church (USA) that promotes the study, understanding and discussion of science and technology on the church’s theology, worship, practice and moral actions. It is based in Dubuque, Iowa. Rev. James B. Miller is president.

The Institute for Science and Judaism works to foster dialogue between science and Judaism. It was started as an adult education program at a Reconstructionist synagogue and now puts on programs, lectures and discussions at other synagogues. It is based in Bethesda, Md.

Andrew J.S. Hamilton is professor of astrophysicial and planetary sciences at the University of Colorado in Boulder. He teaches courses on cosmology, astrophysics, and astronomy and is an expert on black holes.

Barbara Sue Ryden is an associate professor of astronomy at Ohio State University in Columbus, author of Introduction to Cosmology and co-author of Basic Astrophysics (2008).

Christopher S. Kochanek is an astronomy professor and Ohio Eminent Scholar in Observational Cosmology at Ohio State University in Columbus. He is an expert in cosmology.

Robert J. Scherrer is a professor and chairman of the department of physics and astronomy at Vanderbilt University in Nashville, Tenn. His research focuses on cosmology and the structure of the universe. He also blogs about science and science fiction and is an expert on the big bang theory, dark matter and dark energy.