The ocean is still a mystery to us. According to the NOAA, more than 80 percent of our oceans have not been explored.
The little we do know is in part due to the scientists, explorers and ocean lovers on this list.
The Pioneers listed below have contributed to ocean navigation, ocean floor mapping, ocean technology, marine vehicles, and deep-sea exploration. Some of them are still contributing to the field.
Here are 10 ocean pioneers you should know!