A man visiting the Leopold Museum’s Nude Men show disrobed and walked through the galleries Saturday before being asked to garb up by a guard. Officials at the Vienna museum assure the “spontaneous act” wasn’t a marketing gimmick.

Alex Needham ranks SFMoMA’s showing of Cindy Sherman (now on view at the Walker) among 2012’s top shows. Visiting the career survey, he writes, “it became apparent that Sherman’s unsettling ability to expose the workings of stereotypes has intensified with time.”

Alexandra Lange and Mark Lamster compile the “biggest, bestest, and most, well, brutal list” in the third annual Lunch with the Critics Awards, which gives props to Oscar Niemeyer, Lebbeus Woods, and Save-Peavey- Plaza stalwarts The Cultural Landscape Foundation.

Yoko Ono and her son, Sean Lennon, took out a full-page ad in Monday’s New York Times urging Gov. Cuomo to “Imagine There’s No Fracking.” The ad calls for an alternative to hydraulic fracturing, a method of harvesting natural gas.

Sylvia Chivaratanond, former Walker curatorial fellow in Visual Arts, has been appointed the first Suzanne Deal Booth Adjunct Curator of American Art for the Pompidou, where she’ll work on increasing the center’s holdings of works by US-based artists.