John Niven Jack (c1879-1941) of the Strand Chemical Co
Born the son of John Jack, a Shipbuilder, and his Euphemia.
1909 J. Niven Jack, of Benz Motors[1]
1911 Living at 35 Risingholme Road, Wealdstone: John Niven Jack (age 32 born Renfrew), Automobile Industry Manager. With his wife Nellie Niven Jack and their son Ralph.[2]
1914 Letter.[3]