Thomas Alva Edison Birthplace Thomas Alva Edison Birthplace The Thomas Alva Edison Birthplace is a historic house museum at 9 Edison Drive in Milan, Ohio, Built in 1841, it was the birthplace of American inventor Thomas Alva Edison (1847-1931) was born on February 11, 1847. It was designated a National Historic Landmark in 1965, and was added to the National Register of Historic Places in 1966. It is now the Thomas Edison Birthplace Museum. The Thomas Alva Edison Birthplace is in a residential area north of downtown Milan, on the west side of North Edison Drive. It is a small 1-1/2 story brick building,
Thomas Leavitt (inventor) volumes of United States mail. Thomas Leavitt, who set off the stampede with his first design, was married to Martha Elizabeth Whittier of Cornville, Maine, in 1851. The inventor died in 1899 and his wife Martha died in 1910. The couple had four children. Thomas Leavitt (inventor) Thomas Leavitt (1827–1899) patented, along with his brother Martin Leavitt, the first machine in the U.S. that made machine-cancelled postal letters practicable, enabling the United States Post Office to increase the volume of mail it handled, quickening the pace of delivery and allowing customers to more easily send letters of various sizes. Leavitt,