American political consultant and strategist Roger Stone discusses and signs copies of his new book, “Nixon’s Secrets: The Truth about Watergate and the Pardon.” Penn Bookstore. Info: 215-898-7595 or www.upenn.bncollege.com.
“Black Bodies in Propaganda: The Art of the War Poster” presents 33 posters aimed at mobilizing people of color in war efforts, even as they faced oppression at home. Tukufu Zuberi, the Lasry Family Professor of Race Relations at Penn, curates the exhibition, which features posters from his private collection. Penn Museum, 3260 South St., Merle-Smith Galleries, 1st Floor. Info: 215-898-4000 or www.penn.museum. Free with Museum admission.
Led by an experienced volunteer guide, Winter Wellness Walks stick to the paved paths to get your heart rate up. Morris Arboretum. Walks occur weekly on Saturdays through March 29, 2014. Info: 215-247-5777 or www.upenn.edu/arboretum.
An essential figure in modern American art, William H. Johnson was skilled in various media and techniques. “William H. Johnson: An American Modern,” a new exhibition from the Smithsonian Institution Traveling Exhibition Service, will feature rare paintings by Johnson. Tuesday through Friday, 10 a.m. to 5 p.m.; weekends, noon to 5 p.m. at Arthur Ross Gallery, 220 S. 34th St. Info: www.upenn.edu/ARG.
To mark half a century as one of the leading contemporary art museums in the world, the exhibition “ICA@50: Pleasing Artists and Publics Since 1963” animates the Institute of Contemporary Art’s past and propels it into the future. The ICA is celebrating the anniversary by examining lesser-known moments in contemporary art, engage today’s artists, commission new projects, and move toward the unknown. The show runs through Aug. 17. For a full list of artists included in the show, and details on free public events during the exhibition’s run, go to www.icaphila.org.
The Penn Humanities Forum hosts artist Kara Walker for the R. Jean Brownlee Lecture in Women’s Studies to discuss violence in contemporary art. Harrison Auditorium, Penn Museum. Info: Registration is required. www.phf.upenn.edu.
Penn vs. Harvard. The Palestra. Info: www.pennathletics.com.