Helmut Jahn, a German-American who is known for the modernization of the Philadelphia skyline, was killed on Saturday afternoon while riding a bicycle in the suburbs of Chicago. He was 81 years old.

According to the New York Times, Jane was knocked down by a pair of cars at a T intersection in Campton Hills, Illinois, about an hour west of Chicago. Chicago Tribune. Witnesses told the police that Jain failed to stop at the stop sign. He was pronounced dead at the scene.

Jahn designed Liberty Place, a pair of skyscrapers that sparked a public debate about the identity of the city when it was first proposed in April 1984.

The 945-foot-tall “Liberty Square” became the first skyscraper to be erected from a statue of William Penn above City Hall. With the consent of the gentlemen, tSince its completion in 1901, the 548-foot-tall tower has been the highest point in Philadelphia.

For decades, this tower has been considered the cause of the city’s professional sports disaster.Just after the statue of William Penn was placed Comcast Center The Phillies won the World Series championship in 2008, breaking the so-called “Billy Payne curse.”

The famous urban planner Edmund Bacon and others insisted against the development of the building, which they believed would destroy the urban atmosphere of the city.

However, former mayor Wilson Goode provided support among the city council, planning committee and residents. The tower was completed in 1987.

The skyscraper developer Rouse and Associates selected Jahn through an architectural competition.he is Telling the building to “do it better”, he knows how important the project is to the city.

Jain said: “When a building replaces a public building… it has the responsibility to own the content and have reason to prove that it is high.” Tell PhillyVoice in 2017. “There are too many buildings to do this-the Washington Monument, the Eiffel Tower in Paris. It was just built for exhibition-now, this is the most memorable thing you have in Paris.”

Jahn used the Chrysler Building in New York City as his influence on “a free place.” He implemented a similar setback on the top, imitating the shape along its core, and casting his building with reflective blue glass and granite.

Jain said: “Buildings are not just monuments.” “They have to be functional. This is something we desperately desire-if it works first, and it is constructed in the right way.”

The construction of Liberty Square has accelerated the development of several other skyscrapers above the City Hall, including the BNY Mellon Center, Three Logan Square and G. Fred DiBona Jr. Building.

Jain said: “It’s not the novelty and interest of the building that is completed and attracts a lot of attention.” “After the test of time, this is how you think about the building…. A good building will become over time. Better. Bad buildings will make you forget.”

Jahn is known for being at the forefront of the postmodernist movement in Chicago. His most famous works there include the James R. Thompson Center and the United Airlines terminal at O’Hare International Airport. He also designed buildings in Germany and Bangkok.

Jahn has served as a professor at the University of Illinois, Harvard University, Yale University and Illinois Institute of Technology in Chicago.

He was born near Nuremberg, Germany in 1940 and immigrated to the United States in 1966 to study at the Illinois Institute of Technology in Chicago.

Jahn’s wife Deborah and son Evan survived, itu report.