Daniel Jacob du Plessis, South African surgeon (Paarl, Western Cape Province 17 May 1918 – 12 September 1999)

Pioneered work on the aetiology of peptic ulceration

Showed the contribution of the bile reflux to the genesis of gastric ulceration

Pathogenesis of gastric ulceration. Lancet 1:974-8, 1965

His books Principles of surgery: a new approach (1968) and A synopsis of surgical anatomy (1975) were used internationally