At Ipenburg
Studied political science (Amsterdam), African history (SOAS, London) and systematic theology (UNISA). He did his ministerial studies in Leiden at the Remonstrant Seminary. Casual student of sociology at the Delhi School of Economics in 1970.
Contributions: Papua (e.g. Benny Giay and Theys Eluay), Indonesia, Zambia (eg Kenneth Kaunda), church history (e.g. de Remonstrantse Broederschap).