If you haven’t yet dropped in on the Chicago History Museum’s “Making Mainbocher: The First American Couturier,” you’ve got ten days (the last day to catch it is August 20) to see this exhibit about the John Marshall High School baseball-team water boy who grew up to be one of the world’s top fashion designers—back when that really meant something. 

   Mainbocher had beaten out Schiaparelli and Chanel to win the assignment; as noted the last time CHM had a bunch of Mainbocher on exhibit, nobody was better at turning a great lay into a great lady (not that they were ever mutually exclusive).  

“Making Mainbocher: The First American Couturier,” Through 8/20: Wed-Sat 9:30 AM-4:30 PM, Sun noon-5 PM, Mon 9:30 AM-4:30 PM, Tue 9:30 AM-7:30 PM, Chicago History Museum, 1601 N. Clark, 312-642-4600, chicagohistory.org, $16, $14 students and seniors, free for children 12 and younger.