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276
eratosthenes BC
was a Greek mathematician, elegiac poet, athlete, geographer, astronomer, and music theorist. He was the first person to use the word "geography" and invented the discipline of geography as we understand it.He invented a system of latitude and longitude. -
350
pytheas BC
According to a theory first proposed by Lennart Meri, it is possible that Thule island is Saaremaa, whereas the name "Thule" could have been connected to the Estonian word tule "of fire" and the folklore of Estonia, which depicts the birth of the Kaali crater. Kaali was considered the place where the sun went to rest. -
benjamin franklin
Franklin was a leading author and printer, political theorist, politician, postmaster, scientist, inventor, satirist, civic activist, statesman, and diplomat. As a scientist, he was a major figure in the American Enlightenment and the history of physics for his discoveries and theories regarding electricity. He invented the lightning rod, bifocals, the Franklin stove, a carriage odometer, and the glass 'armonica'. He formed both the first public lending library in America and the first fire depa -
james cook
A British explorer, navigator and cartographer, ultimately rising to the rank of Captain in the Royal Navy. Cook made detailed maps of Newfoundland prior to making three voyages to the Pacific Ocean during which he achieved the first European contact with the eastern coastline of Australia and the Hawaiian Islands as well as the first recorded circumnavigation of New Zealand. -
matthew maury
In 1825 at age 19, Maury joined the United States Navy as a midshipman on board the frigate Brandywine. Almost immediately he began to study the seas and record methods of navigation. When a leg injury left him unfit for sea duty, Maury devoted his time to the study of navigation, meteorology, winds, and currents. -
challenger expedition
a scientific exercise that made many discoveries to lay the foundation of oceanography. The expedition was named after the mother vessel, HMS Challenger. Prompted by the Scot, Charles Wyville Thomson—of the University of Edinburgh and Merchiston Castle School—the Royal Society of London obtained the use of Challenger from the Royal Navy and in 1872 modified the ship for scientific work, equipping her with separate laboratories for natural history and chemistry. -
SONAR
help humans travel thru water like never done berfore thanks to thr sonar. bats have sonar but the use to to find food not travel thru water -
Ptolemy AD
Ptolemy was the author of several scientific treatises, at least three of which were of continuing importance to later Islamic and European science. The first is the astronomical treatise now known as the Almagest in Greek, The Great Treatise. Mathematical Treatise. The second is the Geography, which is a thorough discussion of the geographic knowledge of the Greco-Roman world. The third is the astrological treatise known sometimes in Gree
