A version of the letter to the Pontifical Academy of Sciences was faxed to the following bishops and cardinals in the Catholic Church:
Jose Fuerte Advincula, Archdiocese of Capiz
Bernardo Álvarez Afonso, Diocese of o Tenerife San Cristóbal de La Laguna
Oswaldo Estéfano Escobar Aguilar, Diocese of Chalatenango
José Luis Escobar Alas, Archdiocese of San Salvador
Javier Augusto Del Río Alba, Archdiocese of Arequipa
Francesco, Alfano, Archdiocese of Sorrento-Castellammare di Stabia
Miguel Ángel Cabello Almada, Diocese of Concepción en Paraguay
Gerald Almeida , Diocese of Jabalpur
Antony Anandarayar, Archdiocese of Pondicherry and Cuddalore
Ricardo Ezzati Andrello, Archdiocese of Santiago de Chile
José Antonio Eguren Anselmi, Archdiocese of Piura
Marco, Arnolfo, Archdiocese of Vercelli DIIIIIIIIIIIIIDIIIIIIID
Francisco Pardo Artigas, Diocese of Girona
Paolo Mario Virgilio Atzei, Archdiocese of Sassari
Eric Marie Pierre Henri Aumonier, Diocese of Versailles
Thumma Bala, Archdiocese of Hyderabad
Jaume Pujol Balcells, Archdiocese of Tarragona
Lorenzo Baldisseri, Synod of Bishops
Philippe Gabriel Marie Augustin Ballot, Archdiocese of Chambéry
Julián Barrio Barrio, Archdiocese of Santiago de Compostela
Sylvain Jean-Luc Bataille, Diocese of Saint-Etienne
Hans-Josef Becker, Archdiocese of Paderborn
Ginés Ramón García Beltrán, Diocese of Guadix
Jorge Mario Bergoglio, Catholic Church
Rigoberto Corredor Bermúdez, Diocese of Pereira
Vincenzo Bertolone, Archdiocese of Catanzaro-Squillace
Francis Victor Bestion, Diocese of Tulle
Giuseppe Betori, Archdiocese of Florence
Justin Joseph Bianchini, Diocese of Geraldton
Dominique Marie Joseph Blanchet, Diocese of Belfort-Montbéliard
Renato Boccardo, Archdiocese of Spoleto-Norcia
Donald Joseph Bolen, Archdiocese of Regina
Johan Jozef Bonny, Diocese of Antwerp
Robert Ovide Bourgon, Diocese of Moosonee
Rafael Zornoza Boy, Diocese of Cádiz y Ceuta
Stephen Brislin, Archdiocese of Cape Town
Francesco Giovanni Brugnaro, Archdiocese of Camerino-San Severino Marche
Antonio Buoncristiani, Archdiocese of Siena-Colle di Val d’Elsa-Montalcino
Stephan Burger, Archdiocese of Freiburg im Breisgau
Carlos Bürgler, Vicariate Apostolic of Reyes
Francesco Cacucci, Archdiocese of Bari-Bitonto
Sergio Alfredo Gualberti Calandrina, Archdiocese of Santa Cruz de la Sierra
Domenico Caliandro, Archdiocese of Brindisi-Ostuni
Pierre-Marie Joseph Carré, Archdiocese of Montpellier
Norberto Rivera Carrera, Archdiocese of México
Benvenuto Italo Castellani , Archdiocese of Lucca
Santos Abril y Castelló, Basilica di Santa Maria Maggiore
Michele Castoro, Archdiocese of Manfredonia-Vieste-San Giovanni Rotondo
Raymond Michel René Centène, Diocese of Vannes
Emmanuel Hanna Challita , Eparchy of Mar Addai of Toronto
Manuel José Macário do Nascimento Clemente, Patriarchate of Lisbon
Francesco, Coccopalmerio, Pontifical Council for the Legislative Texts
John Dennis Corriveau, Diocese of Nelson
Eugenio Coter, Vicariate Apostolic of Pando
Lucien Jacques Marie Joseph Crepy, Diocese of Le Puy-en-Velay
Mariano Crociata, Diocese of Latina-Terracina-Sezze-Priverno
Blase Joseph Cupich, Archdiocese of Chicago
Pierre Paul Oscar d’Ornellas, Archdiocese of Rennes
Marcel Damphousse, Diocese of Sault Sainte Marie
Gonzalo Duarte García de Cortázar, Diocese of Valparaíso
Genival Saraiva de França, Archdiocese of Paraíba
Guy André Marie de Kérimel, Diocese of Grenoble-Vienne
Joaquin Maria López de Andújar y Cánovas del Castillo, Diocese of Getafe
Jesus Armamento Dosado, Archdiocese of Ozamis
Christophe Dufour, Archdiocese of Aix
Brian Joseph Dunn, Diocese of Antigonish
Stanislaw Dziwisz, Archdiocese of Kraków
Willem Jacobus Eijk, Archbishop of Utrecht
Harry Entwistle, Our Lady of the Southern Cross
Péter Erdo, Archdiocese of Esztergom-Budapest
Ronald Peter Fabbro , Diocese of London
Francisco Javier Martínez Fernández, Archdiocese of Granada
Salvatore Fisichella, Pontifical Council for Promoting New Evangelization
John Fleming, Diocese of Killala
Maurice Marcel Gardès, Archdiocese of Auch
François Charles Garnier, Archdiocese of Cambrai
Lorenzo Ghizzoni, Archdiocese of Ravenna-Cervia
Slawoj Leszek Glódx , Archdiocese of Gdansk
Demetrio Fernández González, Diocese of Córdoba
Francisco Pérez González, Archdiocese of Pamplona y Tudela
Gary Michael Gordon, Diocese of Victoria
Jean-Pierre Grallet, Archdiocese of Strasbourg
Domenico Graziani, Archdiocese of Crotone-Santa Severina
Salvatore Gristina, Archdiocese of Catania
Ricardo Ernesto Centellas Guzmán, Diocese of Potosí
Mark Andrew Hagemoen, Diocese of Mackenzie-Fort Smith
Guy Harpigny, Diocese of Tournai
Carlos López Hernández, Diocese of Salamanca
Ralph Heskett. Diocese of Hallam
Stefan Hesse, Archdiocese of Hamburg
François Michel Pierre Kalist, Diocese of Limoges
Heiner Koch, Archdiocese of Berlin
Rodolfo Pedro Wirz Kraemer, Diocese of Maldonado-Punta del Este
Anthony Wieslaw Krótki, Diocese of Churchill-Baie d’Hudson
Piotr Kryk, Apostolic Exarchate of Deutschland und Skandinavien
Jean-Pierre Kutwa, Archdiocese of Abidjan
Jean Marie Henri Legrez, Archdiocese of Albi
Roberto Lückert León, Archdiocese of Coro
Reinaldo del Prette Lissot, Archdiocese of Valencia en Venezuela
Antonio Cañizares Llovera, Archdiocese of Valencia
Rogelio Cabrera López, Archdiocese of Monterrey
Valter Dario Maggi, Diocese of Ibarra
Amadeo Rodríguez Magro, Diocese of Jaén
Ernesto Mandara, Suburbicarian See of Sabina-Poggio Mirteto
Tomislav Koljatic Maroevic, Diocese of Linares
Julián López Martín, Diocese of León
Raffaello Martinelli, Suburbicarian See of Frascati
Atilano Rodríguez Martínez, Diocese of Sigüenza-Guadalajara
César Augusto Franco Martínez, Diocese of Segovia
Andrea Bruno Mazzocato, Archdiocese of Udine
Scott Cal McCaig, Military Ordinariate of Canada
Ruben Antonio González Medina, Diocese of Ponce
Polito Rodríguez Méndez, Diocese of San Carlos de Venezuela
José Domingo Ulloa Mendieta, Archdiocese of Panamá
Arrigo Miglio, Archdiocese of Cagliari
Guillermo Rodrigo Teodoro Ortiz Mondragón, Diocese of Cuautitlán
Manuel Sánchez Monge, Diocese of Santander
José Leonardo L emos Montanet, Diocese of Orense
Francisco Montenegro, Archdiocese of Agrigento
Edmundo Luis Flavio Abastoflor Montero, Archdiocese of La Paz
Constantino Barrera Morales, Diocese of Sonsonate
Eusebio Ramos Morales, Diocese of Fajardo-Humacao
Yvon-Joseph Moreau, Diocese of Sainte-Anne-de-la-Pocatière
Luigi Moretti, Archdiocese of Salerno-Campagna-Acerno
Joseph Paul Pierre Morissette, Diocese of Saint-Jérôme
Giuseppe Fiorini Morosini, Archdiocese of Reggio Calabria-Bova
Fernando Bascopé Müller, Military Ordinariate of Bolivia
Gerhard Ludwig Müller, Congregation for the Doctrine of Faith
Juan Maria Florindo Agurto Muñoz, Diocese of San Carlos de Ancud
Juan María Huerta Muro, Territorial Prelature of El Salto
Jean-Philippe Paul Nault, Diocese of Digne
Joseph Phuong Nguyen, Diocese of Kanloops
Vincent Gerard Nichols, Archdiocese of Westminster
Francescantonio Nolè, Archdiocese of Cosenza-Bisignano
Cesare Nosiglia, Archdiocese of Torino
Jabulani Adatus Nxumalo, Archdiocese of Bloemfontein
Sean Patrick O'Malley, Archdiocese of Boston
Gregory O’Kelly, Diocese of Port Pirie
Juan José Omella i Omella, Archdiocese of Barcelona
José Francisco Robles Ortega, Archdiocese of Guadalajara
Marc Ouellet, Congregation for Bishops
Julio Edgar Cabrera Ovalle, Diocese of Jalapa
Franz-Josef Overbeck, Military Ordinariate of Germany
Edward Ozorowski, Archdiocese of Bialystok
Benigno Luigi Papa, Archdiocese of Messina-Lipari-Santa Lucia del Mela
Salvatore Pappalardo, Archdiocese of Siracusa
Mauro Parmeggiani, Diocese of Tivoli
Pietro Parolin, Secretary of State
Jesús Juárez Párraga, Archdiocese of Sucre
Juan José Asenjo Pelegrina, Archdiocese of Sevilla
Vincenzo Pelvi, Archdiocese of Foggia-Bovino
Michele Pennisi, Archdiocese of Monreale
Laurent Jean Lucien Marie Percerou, Diocese of Moulins
Cástor Oswaldo Azuaje Pérez, Diocese of Trujillo
Ricardo Blázquez Pérez, Archdiocese of Valladolid
Braulio Rodríguez Plaza, Archdiocese of Toledo
Raymond Poisson, Diocese of Joliette
Georges Paul Pontier, Archdiocese of Marseille
Terrence Thomas Prendergast, Archdiocese of Ottawa
Ángel Javier Pérez Pueyo, Diocese of Barbastro-Monzón
Agustín Roberto Radrizzani, Archdiocese of Mercedes-Luján
Luc Marie Daniel Ravel, Military Ordinariate of France
Gino Reali , Diocese of Porto-Santa Rufino
Carlo Roberto Maria Redaelli, Archdiocese of Gorizia
Jean-Pierre Bernard Ricard, Archdiocese of Bordeaux
David L. Ricken, Archdiocese of Greenbay
Enrique Manuel Hernández Rivera, Diocese of Caguas
André Rivest, Diocese of Chicoutimi
Sérgio da Rocha, Archdiocese of Brasília
José Francisco Ulloa Rojas, Diocese of Cartago
Antonio Santarsiero Rosa, Diocese of Huacho
Stefano Russo, Diocese of Fabriano-Matelica
Stanislaw Rylko, Pontifical Council for the Laity
Gregorio Martínez Sacristán, Diocese of Zamora
Diego Rafael Padrón Sánchez, Archdiocese of Cumaná
Leonardo Sandri, Congregation of the Oriental Churches
Filippo Santoro, Archdiocese of Taranto
Giuseppe Satriano, Archdiocese of Rossano-Cariati
Odilo Pedro Scherer, Archdiocese Sao Paulo
Angelo Scola, Archdiocese of Milano
Vicente Juan Segura , Diocese of Ibiza
Crescenzio Sepe, Archdiocese of Naples
Jonny Eduardo Reyes Sequera , Vicariate Apostolic of Puerto Ayacucho
Ubaldo Ramón Santana Sequera, Archdiocese of Maracaibo
Joan Enric Vives Sicilia, Diocese of Urgell
Noël Simard, Diocese of Valleyfield
Francesco Sirufo, Archdiocese of Acerenza
Leopoldo José Brenes Solórzano, Archdiocese of Managua
Agustín Cortés Soriano, Diocese of Sant Feliu de Llobregat
Jesús Murgui Soriano, Diocese of Orihuela-Alicante
Orazio Soricelli, Archdiocese of Amalfi-Cava de’ Tirreni
Stefan Soroka, Metropolitan Archeparchy of Philadelphia
Ambrogio Spreafico, Diocese of Frosinone-Veroli-Ferentino
Beniamino Stella, Congregation for the Clergy
Carlos Manuel Escribano Subías, Diocese of Calahorra y La Calzada-Logroño
Giovanni Tani, Archdiocese of Urbino-Urbania-Sant’Angelo in Vado
Juan Luis Cipriani Thorne, Archdiocese of Lima
Carlos José Tissera, Diocese of Quilmes
Jean-Claude Turcotte, Archdiocese of Montréal
Norbert José Henri Turini, Diocese of Perpignan-Elne
Laurent Bernard Marie Ulrich, Archdiocese of Lille
Tommaso Valentinetti, Archdiocese of Pescara-Penne
Lucas Van Looy, Diocese of Gent
Rémy Victor Vancottem, Diocese of Namur
Neri Menor Vargas, Diocese of Huánuco
Giuseppe Versaldi, Congregation for Catholic Education
Gerardo Melgar Viciosa, Diocese of Ciudad Real
Enrique Benavent Vidal, Diocese of Tortosa
Cándido Cárdenas Villalba, Diocese of Benjamín Aceval
Javier Salinas Viñals, Diocese of Mallorca
Francis Joseph Walmsley, Military Ordinariate of Great Britain
Rainer Maria Woelki, Archdiocese of Cologne
Flavio Calle Zapata, Archdiocese of Ibagué
Georges Kahhalé Zouhaïraty, Apostolic Exarchate of Venezuela
Lorenzo Baldisseri, Secretary General of the Synod of Bishops
Frank Caggiano, Bishop of Bridgeport