Harry Aubrey Toulmin, Sr. was the American lawyer located in Springfield, Ohio, who wrote the flying machine patent application that resulted in the patent granted to Dayton inventors Wilbur and Orville Wright on May 22, 1906.
Not much is known about Toulmins early years. Born in 1858 to Joshua Morton S. Toulmin and Frances Hellen , Toulmin had four brothers and three sisters. In 1882 at age 24, Toulmin graduated from The George Washington University Law School. For the next four years after graduating from law school, Toulmin practiced patent law in Washington, D.C.
Source: Wikipedia