
Sr. Dawn M. Nothwehr, OSF, is the Erica and Harry John Family Endowed Chair in Catholic Theological Ethics at Catholic Theological Union. She is also co-editor of CTU’s peer reviewed journal, The New Theology Review. Dr. Nothwehr has written six books, including Franciscan Theology of the Environment: An Introductory Reader, Ecological Footprints: An Essential Guide for Sustainable Living, and A Franciscan View of the Human Person: Some Central Elements. A member of the Sisters of St. Francis, Rochester, she holds a Ph.D. in Religious Studies from Marquette University.
For more than twenty years, Dr. Nothwehr has presented numerous workshops, seminars, and retreats on environmental ethics and theology, particularly from the perspective of the Franciscan Intellectual Tradition. Her current research focuses on global climate change, environmental ethics, and ecotheology. In 2012, Dr. Nothwehr was listed among the top twenty-five eco-theologians in the Heartland of the U.S. by The National Council of Churches of Christ Ecojustice Programs. Since April of 2015, she has served as a consultant on the implementation of Pope Francis’ environmental encyclical, Laudato si’.
*Image courtesy of Mark Campbell Photography
Praise for Dawn Nothwehr
“Dawn Nothwehr has a long track record of passionate commitment to justice, and one of her deepest investments is in education on behalf of a new vision of ecology-based ethics. She is scholar, teacher, advocate, and sought-after speaker in this field. She will not disappoint those looking for presentations with depth, breadth, and energy to inspire their own care for the Earth!”
– Mary Frohlich, RSCJ, Catholic Theological Union
“For both a well-informed and an ardent voice on the nexus between theology and ecology, Dawn Nothwehr immediately comes to my mind. With an extensive track record of peer-reviewed scholarly research and many years of teaching experience, she is a go-to theological expert on this urgent topic.”
– Tobias Winright, Saint Louis University
“Through her highly qualified theological background and a keen analytical mind… Dr. Nothwehr offers the key scientific perspectives necessary to grasp the profound challenges that face us as inhabitants of the earth, and deep theological insight to ground and sustain the great hope that the tradition offers.”
– Dr. Judith Merkle, Niagara University

Dr. Guy Consolmagno, S.J., is Director of the Vatican Observatory, a leading astronomer and meteoriticist, and a Jesuit brother. He earned undergraduate and master’s degrees from the Massachusetts Institute of Technology, and a Ph.D. in Planetary Science from the University of Arizona. Before entering the Jesuits in 1989, he was a postdoctoral research fellow at Harvard and MIT, served in the US Peace Corps, and taught university physics at Lafayette College. He has worked as a Vatican Observatory astronomer since 1993.
Br. Consolmagno’s research explores connections between meteorites, asteroids, and the evolution of small solar system bodies. The author of a monthly science column for The Tablet, he has written more than 200 scientific publications and a number of popular books, including Turn Left at Orion (with Dan Davis), and Would You Baptize an Extraterrestrial? (with Paul Mueller). He has also hosted science programs for BBC Radio 4, appeared in numerous documentary films, and served as chair of the American Astronomical Society’s Division for Planetary Sciences. In 2000, the small bodies nomenclature committee of the International Astronomical Union named an asteroid, 4597 Consolmagno, in recognition of his work. In 2014, he was awarded the Carl Sagan Medal for public outreach by the American Astronomical Society’s Division for Planetary Sciences.
Praise for Guy Consolmagno
“Br. Guy Consolmagno is a gifted scientist, writer, and leader in helping people bridge their scientific and religious understandings of the cosmos. An engaging and entertaining speaker, Br. Guy has a rare talent for communicating abstract concepts to public audiences with remarkable clarity.”
– Dr. Grace Wolf-Chase, Astronomer, Adler Planetarium
“Guy Consolmagno’s presentations are gems. Here is an accomplished scientist with strong interests in science’s history and in communicating science to a diverse public audience — he communicates skillfully to science enthusiasts but also humbly to those who have religious or cultural apprehensions regarding science.”
– Prof. Christopher M. Graney, Author of Setting Aside All Authority: Giovanni Battista Riccioli and the Science against Copernicus in the Age of Galileo
“Br. Guy puts the lie to the post-modern canard that science is the replacement for religion, that one must choose between one’s profession and one’s faith. He does this with humor, wisdom, and deep knowledge.”
– Jonathan Lunine, David C. Duncan Professor in the Physical Sciences, Cornell University
“Brother Guy Consolmagno combines an active research career in planetary astronomy with a strong sense of history. He also inspires amateur astronomers the world over, and instructs a wide audience of armchair astronomers through his accessible popular books. He is a voice of authority and a source of enthusiasm for science.”
— Dava Sobel, Author of Galileo’s Daughter
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