Matters of Gravity, The Newsletter of the Topical Group on Gravitation of the American Physical Society, Volume 40, Fall 2012

David Garfinkle

GGR News: we hear that..., by David Garfinkle 100 years ago, by David Garfinkle New publisher and new book, by Vesselin Petkov Research Briefs: Dark matter news, by Katie Freese LA…