Lawrie served as a consultant to the 1932 Century of Progress Exposition in Chicago.

Chicago: Century of Progress Exposition 1932.

After going into receivership, the hotel closed and was refurbished, but it was reopened in time for the 1933 Century of Progress Exposition.

Balbo was still well known in the United States for his visit to Chicago's 1933 Century of Progress Exposition.

There is the 1934 Century of Progress Exposition, which may stand for the unfulfillable hopes that reside in inventions like the water engine.

From the late 1920s, he was involved in planning for the 1933 Chicago Century of Progress Exposition, and designed a number of structures for it.

Built in 1932, a device using gears was shown at the Century of Progress Exposition in Chicago.

It opened in 1933 during the Century of Progress Exposition.

The first opening ceremony took place during the Century of Progress Exposition.

The fourth star represents the Century of Progress Exposition (1933-1934), and was added in 1933.