Narayan, Ramesh;Palumbo, Daniel C. M.;Johnson, Michael D.;Gelles, Zachary;Himwich, Elizabeth;Chang, Dominic O.;Ricarte, Angelo;Dexter, Jason;Gammie, Charles F.;Chael, Andrew A.;Event Horizon Telescope Collaboration;Akiyama, Kazunori;Alberdi, Antxon;Alef, Walter;Algaba, Juan Carlos;Anantua, Richard;Asada, Keiichi;Azulay, Rebecca;Baczko, Anne-Kathrin;Ball, David;Baloković, Mislav;Barrett, John;Benson, Bradford A.;Bintley, Dan;Blackburn, Lindy;Blundell, Raymond;Boland, Wilfred;Bouman, Katherine L.;Bower, Geoffrey C.;Boyce, Hope;Bremer, Michael;Brinkerink, Christiaan D.;Brissenden, Roger;Britzen, Silke;Broderick, Avery E.;Broguiere, Dominique;Bronzwaer, Thomas;Byun, Do-Young;Carlstrom, John E.;Chan, Chi-kwan;Chatterjee, Shami;Chatterjee, Koushik;Chen, Ming-Tang;Chen, Yongjun;Chesler, Paul M.;Cho, Ilje;Christian, Pierre;Conway, John E.;Cordes, James M.;Crawford, Thomas M.;Crew, Geoffrey B.;Cruz-Osorio, Alejandro;Cui, Yuzhu;Davelaar, Jordy;De Laurentis, Mariafelicia;Deane, Roger;Dempsey, Jessica;Desvignes, Gregory;Doeleman, Sheperd S.;Eatough, Ralph P.;Falcke, Heino;Farah, Joseph;Fish, Vincent L.;Fomalont, Ed;Ford, H. Alyson;Fraga-Encinas, Raquel;Friberg, Per;Fromm, Christian M.;Fuentes, Antonio;Galison, Peter;García, Roberto;Gentaz, Olivier;Georgiev, Boris;Goddi, Ciriaco;Gold, Roman;Gómez, José L.;Gómez-Ruiz, Arturo I.;Gu, Minfeng;Gurwell, Mark;Hada, Kazuhiro;Haggard, Daryl;Hecht, Michael H.;Hesper, Ronald;Ho, Luis C.;Ho, Paul;Honma, Mareki;Huang, Chih-Wei L.;Huang, Lei;Hughes, David H.;Ikeda, Shiro;Inoue, Makoto;Issaoun, Sara;James, David J.;Jannuzi, Buell T.;Janssen, Michael;Jeter, Britton;Jiang, Wu;Jimenez-Rosales, Alejandra;Jorstad, Svetlana;Jung, Taehyun;Karami, Mansour;Karuppusamy, Ramesh;Kawashima, Tomohisa;Keating, Garrett K.;Kettenis, Mark;Kim, Dong-Jin;Kim, Jae-Young;Kim, Jongsoo;Kim, Junhan;Kino, Motoki;Koay, Jun Yi;Kofuji, Yutaro;Koch, Patrick M.;Koyama, Shoko;Kramer, Michael;Kramer, Carsten;Krichbaum, Thomas P.;Kuo, Cheng-Yu;Lauer, Tod R.;Lee, Sang-Sung;Levis, Aviad;Li, Yan-Rong;Li, Zhiyuan;Lindqvist, Michael;Lico, Rocco;Lindahl, Greg;Liu, Jun;Liu, Kuo;Liuzzo, Elisabetta;Lo, Wen-Ping;Lobanov, Andrei P.;Loinard, Laurent;Lonsdale, Colin;Lu, Ru-Sen;MacDonald, Nicholas R.;Mao, Jirong;Marchili, Nicola;Markoff, Sera;Marrone, Daniel P.;Marscher, Alan P.;Martí-Vidal, Iván;Matsushita, Satoki;Matthews, Lynn D.;Medeiros, Lia;Menten, Karl M.;Mizuno, Izumi;Mizuno, Yosuke;Moran, James M.;Moriyama, Kotaro;Moscibrodzka, Monika;Müller, Cornelia;Musoke, Gibwa;Mejías, Alejandro Mus;Nagai, Hiroshi;Nagar, Neil M.;Nakamura, Masanori;Narayanan, Gopal;Natarajan, Iniyan;Nathanail, Antonios;Neilsen, Joey;Neri, Roberto;Ni, Chunchong;Noutsos, Aristeidis;Nowak, Michael A.;Okino, Hiroki;Olivares, Héctor;Ortiz-León, Gisela N.;Oyama, Tomoaki;Özel, Feryal;Park, Jongho;Patel, Nimesh;Pen, Ue-Li;Pesce, Dominic W.;Piétu, Vincent;Plambeck, Richard;PopStefanija, Aleksandar;Porth, Oliver;Pötzl, Felix M.;Prather, Ben;Preciado-López, Jorge A.;Psaltis, Dimitrios;Pu, Hung-Yi;Ramakrishnan, Venkatessh;Rao, Ramprasad;Rawlings, Mark G.;Raymond, Alexander W.;Rezzolla, Luciano;Ripperda, Bart;Roelofs, Freek;Rogers, Alan;Ros, Eduardo;Rose, Mel;Roshanineshat, Arash;Rottmann, Helge;Roy, Alan L.;Ruszczyk, Chet;Rygl, Kazi L. J.;Sánchez, Salvador;Sánchez-Arguelles, David;Sasada, Mahito;Savolainen, Tuomas;Schloerb, F. Peter;Schuster, Karl-Friedrich;Shao, Lijing;Shen, Zhiqiang;Small, Des;Sohn, Bong Won;SooHoo, Jason;Sun, He;Tazaki, Fumie;Tetarenko, Alexandra J.;Tiede, Paul;Tilanus, Remo P. J.;Titus, Michael;Toma, Kenji;Torne, Pablo;Trent, Tyler;Traianou, Efthalia;Trippe, Sascha;van Bemmel, Ilse;van Langevelde, Huib Jan;van Rossum, Daniel R.;Wagner, Jan;Ward-Thompson, Derek;Wardle, John;Weintroub, Jonathan;Wex, Norbert;Wharton, Robert;Wielgus, Maciek;Wong, George N.;Wu, Qingwen;Yoon, Doosoo;Young, André;Young, Ken;Younsi, Ziri;Yuan, Feng;Yuan, Ye-Fei;Zensus, J. Anton;Zhao, Guang-Yao;Zhao, Shan-Shan
