Wilhelmus Zakaria Johannes
Wilhelmus Zakaria Johannes on a 1999 Indonesia stamp
Personal details
Wilhelmus Zakaria Johannes

1895 (1895)
Rote, East Nusa Tenggara, Dutch East Indies
Died4 September 1952(1952-09-04) (aged 56–57)
The Hague, Netherlands

Wilhelmus Zakaria Johannes (1895 – 4 September 1952) was an Indonesian radiology medical doctor. Johannes was the first Indonesian medical doctor who learned radiology in the CBZ (Civil Hospital) in Batavia and then became an expert in Rontgen technology and had contributed a lot to the development of medical studies in Indonesia. The Indonesian government honored WZ Johannes as a National Hero of Indonesia and named a general hospital in Kupang, East Nusa Tenggara after him. As a tribute, the name Wilhelmus Zakaria Johannes was used on an Indonesian Navy ship, the KRI Wilhelmus Zakarias Yohannes. Johannes died in 1952 and was buried at the Jati Petamburan Cemetery in Central Jakarta.

WZ Johannes was the cousin of Professor Herman Johannes, an Indonesian professor who was the Rector of Gadjah Mada University and uncle of Helmi Johannes, a newscaster and executive producer for VOA Indonesian television in Washington DC.[1]


  1. ^ Zaidir Djalal. Prof. Dr. W.Z. Yohannes. Jakarta: Mutiara, 1978.