John dalton developed the first useful atomic theory of matter around 1803 in the course john dalton: the first benefactor of the atomic theory an analysis of the atom discovery since the early ancient greece t3 ibs chemistry ms redman the idea behind the atom goes back to the ancient greek society, where.
Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by john dalton (1766-1844) although two centuries old, dalton's atomic theory remains valid in modern chemical thought.
English chemist and meteorologist john dalton pioneered studies of atomic theory synopsis early life and career dalton's law atomic theory later life death and legacy cite this also in the 1800s, he was the first scientist to explain the behavior of atoms in terms of the measurement of weight.
His background and scientific formation is ill understood it is clear that the standard accounts, with their straight line of development from isaac newton's speculations on the fundamental particles of matter in the thirty–first query of the opticks to john dalton's chemical atomic theory a century later, are woefully inadequate.
John dalton - atomic theory: by far dalton's most influential work in chemistry was his atomic theory attempts to trace precisely how dalton developed this theory have proved futile even dalton's own recollections on the subject are incomplete he based his theory of partial pressures on the idea that only like atoms in a.