Contact

For administrative queries, please contact I.W.C. Hogervorst:

Visiting address:
Sterrenwachtlaan 11
2311 GW Leiden

Postal address:
Postbus 778
2300 AT Leiden

T: +31-(0)71-527-7748

E: gro.r1769104605ivnk@1769104605tcatn1769104605oc1769104605

To contact the Secretary of the Board of the Society, please send an email to gro.r1769104605ivnk@1769104605draob1769104605.