I’ll be giving two public lectures in the Chicago area over the next two weeks:

Northwestern University McCormick School of Engineering

“Built Like Bridges: Iron, Steel, and the Importance of Wind Bracing to the 19th Century Skyscraper”

4:00 PM, Tuesday, 13 April.  Cohen Lounge, Fourth Floor, Technological Institute (2145 Sheridan Road).  Free

Association for Preservation Technology, Western Great Lakes Chapter

“Buildings Without Walls – Plate Glass and the Chicago Skyscraper of the mid 1890’s”

5:30 PM, Monday, 19 April.  18 S. Wabash.  $10 for non-members, free for members.  1 CEU.