This is a bonus physical cache for the Adventure Lab entitled "Who were they?". You must successfully complete the Adventure Lab in order to find this one.
Play the Adventure Lab here: https://labs.geocaching.com/goto/whowerethey
Or you can scan this QR code to play
This Adventure Lab has 10 Locations. You need to create a string from the first letter or number/digits from each of the Answers for the 10 Locations in the order they are listed in the adventure. Enter this string of 10 characters into the Certitude Checker to get the final coordinates.
You can validate your puzzle solution with certitude.