How Geocaching Works
Use of geocaching.com services is subject to the terms and conditions in our disclaimer
This Historical Marker is located in a residential area near Idyllwild, CA., commemorating the Speed of Light experiment. Please do not put the answers in your log. For verification send an email answering the following questions:
1. What is the scientists name?
2. What prize did he win?
3. In what year did he do the experiment?
4. What other mountain was used and how far away is it?
5. When was the marker placed?
(No hints available.)