F. F. (Filippus Fourie) Pienaar

Filippus Fourie Pienaar (1877–1948), often published as F. F. Pienaar, is chiefly remembered for With Steyn and De Wet, a firsthand memoir of the South African War. Library and public-domain records consistently link him with that book, which helped preserve an eyewitness view of the conflict and was later known in Afrikaans as Op kommando met Steyn en De Wet.

Available reference pages also describe him not only as a writer but as a soldier, and some biographical records identify him later as a diplomat. That mix of roles helps explain the tone of his writing: personal, practical, and closely tied to events he had lived through.

Because detailed modern biographical sources are limited, it is safest to say that his reputation today rests mainly on this wartime narrative and its place in South African historical writing.