Zen Meditation. 5-6:30 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-702-2100, free.
Musical Performance. New Organ Recital: Lunch with Mr. Skinner. 12:30-1 p.m., Rockefeller Chapel, 5850 S. Woodlawn Ave., 773-702-2100, free. Part of a series of recitals with Tom Weisflog and guest organists.
Lecture. “A Plague of Prisons: The Epidemiology of Mass Incarceration in America. Noon-1:30 p.m., Social Science Research Building, Room 224, 1126 E. 59th St., 773-702-6708. Ernest Drucker, of Columbia University’s Mailman School of Public Health, presents.
Wednesday Night Family Story Time. 6:30 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511.
Knitting and Needle Crafters Circle. 6 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511.
Lecture. “Dreaming in French.” 6 p.m., Blackstone Library, 4904 S. Lake Park Ave., 312-747-0511. Yale professor Alice Kaplan, author of a book by the same title, presents, as part of the Friends of Blackstone’s Despres Family Author Series.
Author Talk. “Reflections on Slavery and the Constitution.” 6-7 p.m., Seminary Co-op Bookstore, 5751 S. Woodlawn Ave., 773-752-4381, semcoop.com. Seminary Co-op member George Anastaplo, presents on his book by the same title.
Tot Lot. 9 a.m.-1 p.m., Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., 773-643-4062, hpnclub.org, $9 drop-in, $45 for a 10-session pass or $65 for a monthly pass.