Ben Franklin coined the term battery for multiple Leyden
jars connected in parallel.
Ben Franklin also wrote a ground-breaking paper on
population growth, he worked with his cousin Timothy Folger to
chart and name the Gulf Stream, he was an early defender of
Christiaan Huygens’ wave theory of light, he contributed to
meteorology, he invented traction kiting, he investigated the
principle of refrigeration by evaporation, and he documented the
effects of heating and cooling on electrical conductors, including
discovering the nonconductivity of ice.
See also in The book of science:
Readings on wikipedia: