Actor/comedian Seth Meyers leads off the 2012 MSE Symposium at 8 p.m. in Homewood's Shriver Hall.
Barclay, Greenmount West, and Station North are stops on a Live Near Your Work walking tour from 5:30 to 8:30 p.m. Program details and registration info at web.jhu.edu/lnyw/events.html.
William Stewart Halsted, first chair of Surgery at Johns Hopkins, is the subject of a film airing at 8 p.m. on MPT. Halsted the Documentary was co-produced by Pathology's Norman Barker and Ralph Hruban and directed by Alan Wu, son of Pathology's T.C. Wu.
The 2012 Constitution Day Forum features Pamela Karlan, the Kenneth & Harle Montgomery Professor of Public Interest Law and co-director of the Stanford Supreme Court Litigation Clinic at Stanford University, talking on "Democracy and Disdain." 8 p.m., Mason Hall, Homewood.
Drawing Inspiration, a permanent exhibition, opens today to celebrate the acquisition of the 1770 desk (now restored) of Declaration of Independence signer Charles Carroll of Carrollton, whose wedding present to his son was the building of Homewood, which Johns Hopkins restored as a museum.
Peabody brings cello music to the streets to accompany a talk by Steven Galloway, author of The Cellist of Sarajevo—this year's pick for the Maryland Humanities Council's One Maryland One Book project—when he visits the Baltimore Book Festival at noon.