Paula SELZER is a third great-granddaughter of Adolphe Gouhenant. She has spent twenty-five years working on children's health policy for the U.S. Environmental Protection Agency. Before beginning a career in public service, she was a Peace Corps Volunteer in the Dominican Republic. She earned a Bachelor of Fine Arts from Southern Methodist University and a Master of Public Policy from Rutgers. Emmanuel PECONTAL, a French professional astronomer and an historian of astronomy, works at the Centre Recherche Astrophysique de Lyon.
He earned his master's degree in astrophysics at University Paris VII and his Ph.D. in astrophysics at the Paris Observatory. He encountered Gouhenant when he was inquiring about historical observatories in Lyon, including the tower constructed in 1831 by Gouhenant on the top of the famous Fourvière hill.