Bowman, an expert in inherited blood diseases and population
The first lady's office, which announced Mrs. Obama's trip after she landed in Chicago, said she will return to the nation's capital after the service.
Mrs. Obama was last in her native Chicago only Monday for the funeral of
The memorial service began at 10 a.m. at the Rockefeller Memorial Chapel on the University of Chicago campus, the university said in a statement.
A reception was to follow at Ida Noyes Hall, 1212 E. 59th St.