Christopher Blackett
Christopher Blackett ( 1751 – 25 January 1829 ) owned the Northumberland colliery at Wylam that built Puffing Billy , the first commercial adhesion steam locomotive . 
<triplet> Christopher Blackett <subj> 25 January 1829 <obj> date of death <triplet> Wylam <subj> Northumberland <obj> located in the administrative territorial entity