Automotive inventors killed by their own inventions
Sylvester H Roper (1823 – 1896) - Steam Carriage
April 07, 2016, 07:14 ISTSylvester H Roper (1823 – 1896) was an inventor from Roxbury, Boston, Massachusetts, and a pioneering builder of early automobiles and motorcycles. In 1863 he built a steam carriage, one of the earliest automobiles.The Roper steam velocipede of 1867–1869 may have been the first motorcycle.