Donald Wills Douglas was an influential American aerospace engineer and businessman, best known for founding the Douglas Aircraft Company in 1921. Under his leadership, the company became a major player in the aviation industry, producing iconic aircraft such as the DC-3 and the DC-10. Douglas was born on April 6, 1892, in Brooklyn, New York. He graduated from the Massachusetts Institute of Technology (MIT) and contributed significantly to both military and commercial aviation, helping to shape the future of air travel during the 20th century. He passed away on February 1, 1981.