1) Applied scientist 2) Bryan donkin 3) Engineer 4) Technologist 
[n] - English engineer who developed a method of preserving food by sterilizing it with heat and sealing it inside a steel container--the first tin can (1768-1855)
Bryan Donkin noun English engineer who developed a method of preserving food by sterilizing it with heat and sealing it inside a steel container--the first tin can (1768-1855)