Thank you for giving me a reason to remove this item from my overly long list of things i don’t know! 
This must be Richard Hartzel then - i have found quite a bit information about him, and from him, on the web…
Dunno. 
But here is some fuel for our imagination:
patrick-cowsill.blogspot.com/200 … rd-in.html
(I’ve started a new thread about the topic of credit cards at Can foreigners get a credit card in Taiwan?)