A quick check of what we can glean from their profiles.
Canada Mark's profile
Last Logged in: 5/13/2019 6:54 PM
His email address is shared on his profile, so send him a message and ask ;-) https://www.healingwell.com/community/profile.aspx?p=162692
Old Mike's profile
Last Logged In: 3/19/2019 6:12 AM
Email not shared.https://www.healingwell.com/community/profile.aspx?p=42714