John Trenery
John Trenery 1803-1864, was a British-born engineer who moved to Kåfjord in Finnmark, where he was the master mechanic at the copper works for some years.
In 1843 he came to Trondheim. Three merchants (Christian Ludvig Schreiner, Herman Christian Garmann and Arild Huitfeldt) had established an engineering works in Øvre Bakklandet, and John Trenery was brought in as co-owner and chief engineer.
In 1850, in cooperation with Trondhjems Skipsværft, the firm launched "Nidelven", the first Norwegian-made steamboat. In 1862 "Thrønderen", the first Norwegian steam locomotive, was produced.
In 1872, the enterprise merged with Trolla Brug to become Trondhjems Mekaniske Værksted (TMV [Trondheim Mechanical Workshop]).
For two decades Trenery was a vital contributor to the development of a high standard of mechanical expertise in Trondheim.
From 1851 he was the director of Trondhjems Tegneskole [Trondheim school of technical drawing], which taught draughting to workers.
In 1863 John Trenery fell seriously ill and died in August 1864. His grave in old Bakke churchyard.
The above information is condensed from [1]