Which South African journalist was imprisoned by the first prime minister of Rhodesia to be native to the country? 
The Word of a Gentleman: The Word of a Gentleman (1981) (later retitled "Undercut") was the third of five novels written by Peter Niesewand, the South African journalist who spent 73 days in solitary confinement for his coverage of Ian Smith's government in Rhodesia (now Zimbabwe). Ian Smith:  The country's first premier not born abroad, he led the predominantly white government that unilaterally declared independence from the United Kingdom in 1965, following prolonged dispute over the terms.
Peter Niesewand