Who named the Gulf Stream?
Benjamin Franklin
Who first pointed it out?
Juan Ponce de León
Were it's currents famous to sailors?
yes
What did Franklin measure there?
water temperatures
More than once?
yes
What we he doing there?
crossing the Atlantic
Did he measurements create an accurate explanation?
yes
When did humans figure out currents of the ocean?
pre-historic times
Who kept track of tides?
Aristotle and Strabo.
In early days of mapping, was it primarily what they could see or below the water?
no
Since early mapping was above the surface, how did they measure depth of the water?
lead lines
Are multiple disciplines included in oceanography?
yes.