Ben van den Aardweg Student assistant Pre University Name B. van den Aardweg Telephone +31 71 527 6594 E-mail b.van.den.aardweg@ha.leidenuniv.nl Student assistant Pre University Honours Academy HA Pre-University College Work address Old Observatory Sterrenwachtlaan 11 2311 GW Leiden Contact +31 71 527 6594 b.van.den.aardweg@ha.leidenuniv.nl No relevant ancillary activities