b'THE OBSERVATORIES Carnegie InvestigatorsAstronomy Staff Scientists Research AssociatesANDREW BENSON CHRISTOPHER BURNS, ResearchPasadena StaffFront row (left to right): LeonREBECCA BERNSTEINAssociateAslan, Andrew Benson, Luis Ochoa, Greg Ortiz,ALAN DRESSLER, Staff Member Emeritus JEFFREY CRANE, Staff AssociateJUNA KOLLMEIER DAN KELSON, Staff AssociateJerson Castillo, Robert Storts, Christoph Birk.NICHOLAS KONIDARIS1 BARRY MADORE, Senior ResearchSecond row: Thomas Connor, Solange Ramirez,PATRICK MCCARTHYAssociateJohn Mulchaey, Gillian Tong, Linnea Dahmen,ANDREW MCWILLIAM Las Campanas Research StaffSunny Rhoades, Gwen Rudie, Regina Lee,JOHN MULCHAEY, Director LEOPOLDO LIRA INFANTE, Director,Stephanie Striegel, Sal Fu. Third row: KristinANDREW NEWMANLas Campanas Observatory3Macklin, Daniel Kelson, Rosalie McGurk, CharlieAUGUSTUS OEMLER, JR., Director Emeritus DAVID OSIP, Associate Director, Las 73Hull, Cynthia Hunt, Jeffrey Crane, Becky Lynn,ERIC PERSSON, Staff Member EmeritusCampanas ObservatoryAlan Uomoto, Sung-Ri Sok, Nicholas Konidaris,ANTHONY PIRO2 MARK PHILLIPS, Director Emeritus,Beverly Fink, Andrew Newman, Jorge Estrada,GEORGE PRESTON, Director EmeritusLas Campanas Observatory4Chelsea Adelman. Last row: Patricio Jones,MICHAEL RAUCH Las Campanas Resident AstronomerEduardo Baados, Stephen Shectman, StefanoGWEN RUDIE NIDIA MORRELL, Resident AstronomerPasetto, Yuan-Sen Tin, Nicole Relatores, AlexanderFRANOIS SCHWEIZER, Staff Member EmeritusJi, Andrew McWilliam, Terese Hansen, FranoisSTEPHEN SHECTMAN 1 From October 1, 2017Schweizer, Scott Rubel, Vincent Kowal, MichaelJOSHUA SIMON 2 From November 1, 2017, formerly HaleRauch, Jeffrey Rich, Earl Harris, Joshua Simon, IrinaIAN THOMPSON 3 Scholar/Staff AssociateFrom August 1, 2017Strelnik, Brian Lorenz, Sergio Escobar.RAY WEYMANN, Director Emeritus 4 From August 1, 2017Image courtesy Scott RubelLAS CAMPANASMountain staff (left, front row left to right: Javiera Rey, Perla Pommer, Yuri Beletsky, Pedro Tirado. Second row: Francesco Di Mille, Mauricio Navarrete, Armando Rodriguez, Francisco Mery, Jorge Bravo, Patricio Pinto, Leopoldo Infante. Third row: Miguel Ocaranza, Luis Gonzalez, Jorge Rojas, Manuel Traslavia, Pedro Carrizo. Fourth row: Jorge Olivares, Erwin Guerra, Jose Cortes, Andres Rivera, Carlos Weinberger, Marcelo Rodriguez, Juan Espoz N., Consuelo Gonzalez, Sergio Veliz, Juan Gallardo, Rodrigo Condore, Ricardo Alcayaga, Victor Merio. Last row: Nelson Ibacache, Felipe Sanchez, Luis Calderon, Andres Borquez, Herman Olivares, David Verdugo, Jose Luis Zamora, Edgar Veliz, Oscar Duhalde.Chilean Staff El Pino (right, front row left to right): Roberto Bermudez, Silvia Muoz, Konstantina Boutsia, Nelda Juica, Ivan Barraza. Second row: Lionel Zumaran, Jonathan Medalla, Carlos Martin, Jaime Gomez, Leopoldo Infante.'