- Category : Engineer-Civil
- Type : MGP
- Profile : 2/4 - Hermit / Opportunist
- Definition : Single
- Incarnation Cross : RAX The Vessel of Love 3
French-American electrical engineer and business executive. Leonardon served in the French Army during WW I and later moved to the U.S. From 1939 he was the President of Schlumberge Well Surveying Corporation out of Houston, Texas.
He is married with two kids.