Board 1989-1990

S.J. Roorda
M.R. Theys
M.F. van Opstal
M.A.M. ten Hacken
E. van Schendel
R.R. van Schaik
P.R.L.J. van Kesteren
M.L.E. de Buck
President
Secretary
Treasurer
Vice-President
Commissioner of Domestic Excursions
Commissioner of Foreign Excursions
Commissioner of Education
Commissioner of the Walhalla

Thor is supported by: