Here are some ways to con­tact the authors of Chronillogical:

> Greg’s Info

Email Greg at greg [at] chronil­log­i­cal [dot] com
Greg’s Twit­ter
Greg’s Facebook

> John’s Info

Email John at john [at] chronil­log­i­cal [dot] com
John’s Twit­ter
John’s Facebook

> Other Info

Please con­sider join­ing the Chronil­log­i­cal Face­book group!