Karen B. Peetz, the newly named president of Bank of New York Mellon Corp. (and a JHU alum), is the Carey Business Schoolís Leaders + Legends speaker. 7:30 a.m., Legg Mason Tower. $35. RSVP at carey.jhu.edu.
Food historian Joyce White explores the history of chocolate with special attention to how it was enjoyed in the early 19th century by Homewood's Carroll family. Talk and tasting at 2 p.m., Homewood Museum. Ticket info at museums.jhu.edu.
The Summer Camp Discoveries Fair welcomes kids 4 to 18 and their families to meet with local and regional camps and other groups offering summer activities. Both day and night programs will be represented, as will camps for individuals with special needs. Sponsored by the Office of Work, Life and Engagement. 11:30 a.m. to 1:30 p.m., Turner Concourse, East Baltimore.
The Peabody Jazz Orchestra (Michael Formanek, director) performs at 7:30 p.m. in Peabody's East Hall. $15, $10 seniors, $5 students with ID. Details at events.jhu.edu/peabody.
The Shriver Hall Concert Series welcomes Czech mezzo-soprano Magdalena Koženô and pianist Yefim Bronfman. 5:30 p.m. Ticket info at shriverconcerts.org.
Through Feb. 24
Last chance to see how the costume designs of contemporary Russian émigré Aleona Isakova were inspired by the Ballets Russes' Leon Bakst, who created Evergreen's private theater. Evergreen Museum & Library. Ticket info at museums.jhu.edu.