<P> In spring 2013, the "Art of the Bicycle" exhibit opened, showcasing history of the bicycle, and how modern bikes are still continuing to evolve . </P> <P> Other exhibits include "Yesterday's Mainstreet", a mock - up of a Chicago street from the early 20th century, complete with a cobblestone roadway, old - fashioned light fixtures, fire hydrants, and several shops, including the precursors to several Chicago - based businesses . Included are: </P> <Ul> <Li> The Berghoff restaurant </Li> <Li> Chicago Post Office </Li> <Li> Commonwealth Edison </Li> <Li> Finnigan's Ice Cream Parlor and Photo Studio </Li> <Li> Gossard Corset Shop </Li> <Li> Jewel Tea Company grocery </Li> <Li> Law office </Li> <Li> Lytton's Clothing Store </Li> <Li> Dr. John B. Murphy's office </Li> <Li> The Nickelodeon Cinema </Li> <Li> Chas . A. Stevens & Co . </Li> <Li> Walgreens Drug Company </Li> </Ul> <Li> The Berghoff restaurant </Li>

Who built the museum of science and industry