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- Affleck: "Howard had a great mind and was one of the great voices in the American political life. He taught me how valuable—how necessary—dissent was to democracy and to America itself. He taught that history was made by the everyman, not the elites. I was lucky enough to know him personally, and I will carry with me what I learned from him—and try to impart it to my own children—in his memory."
- Wilde: "Howard Zinn, a true hero of mine, whom I never got to thank for his donation to Artists for Peace and Justice. RIP…If you haven't read A People's History of the United States, you may want to run to the book store now."
- Banks: "Nine Stories is one of my favorite books of all time, and should be read in honor of JD Salinger."
- Alley: "Oh, Mr. Salinger passed away yesterday..he LOVED his privacy, so I will say no more..except...people will probably not be bugging you now…All you kiddies on here be sure to read CATCHER IN THE RYE by J.D. Salinger if you have not already done so. WON'T FIND BETTER WRITING."
- Dushku: "A huge loss. Howard Zinn, historian who challenged status quo, dies at 87...JD Salinger had died. Sad day, mourning these extraordinary people. Also peaceful celebrating their contributions to mankind."
- Wilson: "Howard Zinn passed away. A fascinating historian. Bon Voyage, sir. Must read: People's History of the United States…RIP JD Salinger. I always secretly thought I was a member of the Glass family & Franny & Zooey defined the spiritual angst of my 20s."
- Seacrest: "Sad to hear JD Salinger has passed...i remember reading Catcher in the Rye growing up. He was 91."
- Larry King: "JD Salinger has died. My favorite book is Catcher in the Rye."
- EthanSuplee: "Humanity has suffered a great loss with the passing of Howard Zinn."
- Joshua Malina: "We may never know which account Salinger was tweeting from."
Mandy Moore and Michael Urie are among those tweeting simple RIPs while others, including Suplee, Marlee Matlin and Ann Curry, offer quotations by the fallen scribes.
Keep up with celebrity deaths old and young right here.