Douglas Lauffenburger is a professor in and head of the department of biological engineering at the Massachusetts Institute of Technology in Cambridge, Mass.

Lucas Mix is a scientist and an Episcopal priest. He is a researcher at the Ronin Institute at Harvard University in Cambridge, Mass., where he studies theoretical biology and theological biology. Among his interests is studying the definition of life. He blogs at “Science, Spirit and Scripture” and “An Ecclesiastical Peculiar.”

The Dialogue on Science, Ethics and Religion is a project of the American Association for the Advancement of Science and works to promote dialogue and understanding between scientific and religious communities, groups and individuals. It is based in Washington, D.C., and Jennifer Wiseman is its director.

Rachel Hart Winter is the director of the Siena Center at Dominican University in River Forest, Ill. Her research focuses on Catholic ecological ethics, particularly on access to clean water as a fundamental human right. Contact via Tina Weinheimer, assistant director of public relations and communications for the university.

Nigel Cameron is president of the Center for Policy on Emerging Technologies in Washington, D.C., as well as leader of the Institute on Biotechnology and the Human Future at Chicago-Kent College of Law. He has presented a TEDx Talk on the implications of a world without human labor.

Crystal Spring is a mission of the Kentucky Dominican Sisters that works to educate the public on such topics as organic gardening, cooking, ecology, cosmology, spiritual reflection, ecofeminism and creative arts. Crystal Spring operates the Religious Lands Conservancy Project, which helps communities of Catholic women protect their land. It is based in Plainville, Mass.

Michael Schuck is co-director of the International Jesuit Ecology Project and an associate professor of theology at Loyola University in Chicago. He is an expert on the social teachings of papal encyclicals.

AIDRom is a project of the Ecumenical Association of the Churches of Romania that encourages member churches to promote environmental protection, ecological education and sustainable development. Members include the Orthodox Church, the Reformed Church, the German Lutheran Church, the Synodo-Presbyterial Church of AC and the Armenian Orthodox Church. It is based in Bucharest, Romania.