The increase in life expectancy during the 20th century is largely due to improvements in child survival; this increase is associated with reductions in infectious disease mortality, due largely to immunization.1 However, infectious diseases remain a major cause of illness, disability, and death.
The First Mowers. The lawn mower was invented in 1830 by Edwin Beard Budding, an engineer from Stroud, Gloucestershire, England. He obtained the idea after seeing a machine in a local cloth mill which used a cutting cylinder (or bladed reel) mounted on a bench to trim cloth to make a smooth finish after weaving.
Early Life. In May 9, 1899 John Albert Burr inveted a invented a improved ratary blade lawn morwer. It was invented to mow closer to buildings, walls, and edges. It also designed to not get plugged up from lawn clipping. John Albert Burr died in 1926, because of influenza a type of disease at the age of 68.