Is Dave Arneson still alive?

Could you please clarify for me the current status of Dave Arneson's life? Is he still among the living, or has he passed away? I understand that this may be a sensitive topic, but I am genuinely curious to know. Additionally, if you have any recent information or updates regarding Dave Arneson's well-being, I would greatly appreciate it if you could share that with me as well. Thank you for your time and consideration.