John Pennycuick - British engineer - was born in 1841.
John Holland - engineer - was born in 1914.
John Baxter - engineer - was born in 1951.
John Waddell - engineer - was born in 1828.
John Coghlan - engineer - was born in 1824.
John Penn - engineer - was born in 1805.
John Carruthers - engineer - was born in 1836.
John Ramsbottom - engineer - was born in 1814.
John Bradfield - engineer - was born in 1867.
John Miller - engineer - was born in 1805.
John Braithwaite - engineer - was born on 1797-03-19.
John Aspinall - engineer - was born on 1851-08-25.
John Bray - communications engineer - was born in 1911.