The pre-modern idea of atomic theory was proposed by Greek thinkers like Democritus, Leucippus, and the Epicureans, which would have been at about 500 to 300 BC.
Carbon
He came up with the theory.
Neils Bohr came up with the kinetic Theory of Matter, also known as: The Molecuar Theory of Matter, and The Bohr Model.
J.T Wilson was the one who came up with the theory of plate tectonics. Harry Hess came up with the theory of sea-floor spreading. Alfred Wegener came up with the theory of continental drift and Arthur Holmes proposed a suitable mechanism for this to occur (mantle convection).
State which
The concept of atoms, or particles that make up all of matter, is an ancient one. However, John Dalton came up with the first scientific atomic theory in the early 1800s.
This quote is attributed to British physicist and chemist John Dalton, who proposed the atomic theory of matter in the early 19th century. Dalton's theory stated that all atoms of a given element are identical and have specific characteristics that differentiate them from atoms of other elements.
jeans and jeffreys
Janeth came up with it because she saw what other didnt see
The first widely recognized atomic theory was proposed by John Dalton in the early 19th century. Dalton's atomic theory suggested that all matter is made up of small, indivisible particles called atoms. This theory laid the foundation for modern chemistry.
he came up with the theory of the atom
Seligman