Calendar

Noontime Concert Series. 12:15-1:15 p.m., Fulton Hall, 5845 S. Ellis Ave., 773-702-8484, free. Featuring jazz music.

Gentle Yoga. 4-5 p.m., Bond Chapel, 1050 E. 59th St., 773-702-2100, free

Lecture. “Covering the Calamity: The Financial Crisis, and How We Faced It.” 4:30-6 p.m., Institute of Politics, 5707 S. Woodlawn Ave., 773-834-4671, free. Bethany McLean, contributing editor to Vanity Fair magazine, presents.

Lecture. “Memories of the (Ongoing) Revolution: Butch Careers and Femme Follies. 4:30-6 p.m., Social Research, Room 122, 1126 E. 59th St., 773-702-9936. Esther Newton, author of “Mother Camp: Female Impersonators in America,” and Holly Hughes, a performance artist, present. WHOW HO

Author Talk. “Worse than the Devil: Anarchists, Clarence Darrow, and Justice in a Time of Terror.” 6-7 p.m., Seminary Co-op Bookstore, 5751 S. Woodlawn Ave., 773-752-4381, semcoop.com. Dean Strang, author of a book by the same title, presents.

Conversation with the Artist: Jeremiah Hulsebos-Spofford. 6-7 p.m., Hyde Park Art Center, 5020 S. Cornell Ave., 773-324-5520, hydeparkart.org. Hulsebos-Spofford will discuss his exhibit at the Hyde Park Art Center, “Hall of Khan.”

Presentation. The Affordable Care Act and Women’s Health. 6-7:30 p.m., School of Social Service Administration, Room E-II, 969 E. 60th St., free. Kathy Waligora, of the Illinois Maternal and Child Health Coalition, will explain the Affordable Care Act to the audience and answer questions. Free dinner provided. To R.S.V.P., contact Molly McAndrew by sending an e-mail mollyrmcandrew@gmail.com

Tot Lot. 9 a.m.-noon, Hyde Park Neighborhood Club, 5480 S. Kenwood Ave., info@babyphd.com, classes are $9 drop-in, $45 for a 10-session pass or $65 for a monthly pass. This class is intended for children 0-4 and their caregivers or parents to get together on a regular basis to learn, play and benefit from one another’s company.

Tot Lot and Outdoor Playground. 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.

Jumu’ah Prayers. 1-1:45 p.m. and 1:45-2:45 p.m., Bond Chapel, 1050 E. 59th St, 773-702-2100. Muslim Friday prayers.

Author Talk. “Making Sense of Modern Yoga.” 6-7 p.m., 57th Street Books, 1301 E 57th St, Chicago, IL 60637, 773-752-4381, Carol Horton, author of books “Yoga PH.D.” and “21st Century Yoga,” presents.

Concert. Spektral Quartet: Signature Mash-Up. 8-9:30 p.m., Fulton Hall, 5845 S. Ellis Ave., 773-702-8484, $10 general admission, free wtih U. of C. ID. Featuring music by Verdi and more. Tickets available at the door. Reception follows.