Due to the scourge of 'spam' (unsolicited commercial email, UCE), the selfish and unwelcome spammers that send it, and the slavish duty of their myriad minion spiders and 'bots (which harvest email addresses off of webpages), I do not directly list my address, and 'spam-proof' all other email addresses listed.
However, contacting me is still simple, as you can either:
If you wish to find out more about spam, please visit the following sites:
(Disclaimer: I am not affiliated with these organizations.)