- Category : 1914-births
- Type : PE
- Profile : 2/5 - Hermit / Heretic
- Definition : Single
- Incarnation Cross : RAX Rulership 3
Kuypers was within astrological circles known for his research work. There he was in favor of a statistical approach, he used to study things like traffic accidents, partner and terrorists. Results of his research have mainly been published in the astrological magazine Spica.
He died on September 30, 2001 in Apeldoorn.