William Le Baron Jenney, American architect and engineer, designed the Home Insurance Building (b. 1832)

William Le Baron Jenney (September 25, 1832 – June 14, 1907) was an American architect and engineer who is known for building the first skyscraper in 1884.

In 1998, Jenney was ranked number 89 in the book 1,000 Years, 1,000 People: Ranking the Men and Women Who Shaped the Millennium.