December births

• December 22 - Timothy Hackworth
  Timothy Hackworth
  Timothy Hackworth was a steam locomotive engineer who lived in Shildon, County Durham, England and was the first locomotive superintendent of the Stockton and Darlington Railway.- Youth and early work :...
  
  , English
  England
  England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...
  
   steam locomotive
  Steam locomotive
  A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...
  
   builder (d. 1850).

Unknown date births

• William T. James, American
  United States
  The United States of America is a federal constitutional republic comprising fifty states and a federal district...
  
   inventor of the link motion and spark arrester
  Spark arrester
  A spark arrestor is any device which prevents the emission of flammable debris from combustion sources, such as internal combustion engines, fireplaces, and wood burning stoves. Spark arrestors play a critical role in the prevention of wildland fire and ignition of explosive atmospheres...
  
  (d. 1865).