CMB-S4 Decadal Survey APC White Paper

Adam Anderson Kam S. Arnold Carlo Baccigalupi Kathy Bailey Denis Barkats Darcy Barron Peter S. Barry James G. Bartlett Ritoban Basu Thakur Nicholas Battaglia Eric Baxter Rachel Bean Chris Bebek Amy N. Bender Bradford A. Benson Edo Berger Sanah Bhimani Colin A. Bischoff Lindsey Bleem James J. Bock Sebastian Bocquet Kimberly Boddy Matteo Bonato J. Richard Bond Julian Borrill Fran\c{c}ois R. Bouchet Michael L. Brown Sean Bryan Blakesley Burkhart Victor Buza Karen Byrum Erminia Calabrese Victoria Calafut Robert Caldwell John E. Carlstrom Julien Carron Thomas Cecil Anthony Challinor Clarence L. Chang Yuji Chinone Hsiao-Mei Sherry Cho Asantha Cooray Thomas M. Crawford Abigail Crites Ari Cukierman Francis-Yan Cyr-Racine Tijmen de Haan Gianfranco de Zotti Jacques Delabrouille Marcel Demarteau Mark Devlin Eleonora Di Valentino Matt Dobbs Shannon Duff Adriaan Duivenvoorden Cora Dvorkin William Edwards Joseph Eimer Josquin Errard Thomas Essinger-Hileman Giulio Fabbian Chang Feng Simone Ferraro Jeffrey P. Filippini Raphael Flauger Brenna Flaugher Aurelien A. Fraisse Andrei Frolov Nicholas Galitzki Silvia Galli Ken Ganga Martina Gerbino Murdock Gilchriese Vera Gluscevic Daniel Green Daniel Grin Evan Grohs Riccardo Gualtieri Victor Guarino Jon E. Gudmundsson Salman Habib Gunther Haller Mark Halpern Nils W. Halverson Shaul Hanany Kathleen Harrington Masaya Hasegawa Matthew Hasselfield Masashi Hazumi Katrin Heitmann Shawn Henderson Jason W. Henning J. Colin Hill Ren\'ee Hlozek Gil Holder William Holzapfel Johannes Hubmayr Kevin M. Huffenberger Michael Huffer Howard Hui Kent Irwin Bradley R. Johnson Doug Johnstone William C. Jones Kirit Karkare Nobuhiko Katayama James Kerby Sarah Kernovsky Reijo Keskitalo Theodore Kisner Lloyd Knox Arthur Kosowsky John Kovac Ely D. Kovetz Steve Kuhlmann Chao-lin Kuo Nadine Kurita Akito Kusaka Anne Lahteenmaki Charles R. Lawrence Adrian T. Lee Antony Lewis Dale Li Eric Linder Marilena Loverde Amy Lowitz Mathew S. Madhavacheril Adam Mantz Frederick Matsuda Philip Mauskopf Jeff McMahon P. Daniel Meerburg Jean-Baptiste Melin Joel Meyers Marius Millea Joseph Mohr Lorenzo Moncelsi Tony Mroczkowski Suvodip Mukherjee Moritz M\"unchmeyer Daisuke Nagai Johanna Nagy Toshiya Namikawa Federico Nati Tyler Natoli Mattia Negrello Laura Newburgh Michael D. Niemack Haruki Nishino Martin Nordby Valentine Novosad Paul O'Connor Georges Obied Stephen Padin Shivam Pandey Bruce Partridge Elena Pierpaoli Levon Pogosian Clement Pryke Giuseppe Puglisi Benjamin Racine Srinivasan Raghunathan Alexandra Rahlin Srini Rajagopalan Marco Raveri Mark Reichanadter Christian L. Reichardt Mathieu Remazeilles Graca Rocha Natalie A. Roe Anirban Roy John Ruhl Maria Salatino Benjamin Saliwanchik Emmanuel Schaan Alessandro Schillaci Marcel M. Schmittfull Douglas Scott Neelima Sehgal Sarah Shandera Christopher Sheehy Blake D. Sherwin Erik Shirokoff Sara M. Simon Anze Slosar Rachel Somerville Suzanne T. Staggs Antony Stark Radek Stompor Kyle T. Story Chris Stoughton Aritoki Suzuki Osamu Tajima Grant P. Teply Keith Thompson Peter Timbie Maurizio Tomasi Jesse I. Treu Matthieu Tristram Gregory Tucker Caterina Umilt\`a Alexander van Engelen Joaquin D. Vieira Abigail G. Vieregg Mark Vogelsberger Gensheng Wang Scott Watson Martin White Nathan Whitehorn Edward J. Wollack W. L. Kimmy Wu Zhilei Xu Siavash Yasini James Yeck Ki Won Yoon Edward Young Andrea Zonca