Jacques Cousteau was a famous Earth scientist who went about the place, exploring oceans on his ship, the Calypso.

In 2294, Montgomery Scott claimed that Spock was as big a star in the documentary world as Jacques Cousteau ever was. (TOS novel: The Fearful Summons)

In 2372, the original captain's yacht on the USS Enterprise NCC-1701-E was named Cousteau after the explorer. TNG novel: A Time to Be Born