César Pelli (October 12, 1926 – July 19, 2019) was an Argentine-American architect. He was known for designing some of the world's tallest buildings and other major urban landmarks.
In 1991, the American Institute of Architects (AIA) listed Pelli among the ten most influential living American architects. His many awards include the 1995 AIA Gold Medal.
Perhaps his most famous work are the Petronas Twin Towers, which were for a time the world's tallest buildings. He also designed the World Financial Center complex in downtown Manhattan.
Pelli died on July 19, 2019 at his home in New Haven, Connecticut at the age of 92.