John Andrew Tennant Mortlock

John Andrew Tennant Mortlock in 1936.
The Mortlock Wing of the State Library of South Australia.
Martindale Hall.
Dorothy and John Mortlock, possibly at the time of their marriage in 1948.

John Andrew Tennant Mortlock (30 March 1894 – 15 March 1950) was a pastoralist in South Australia, remembered as a major benefactor of the State Library of South Australia and commemorated by the "Mortlock Wing" of the library.