The Prime Mover !!!

Dalton's labour !!!

JOHN DALTON !!! The pioneer who first published the table of relative atomic weights , which is the key for the growth of the field of chemical engineering !! He laid the stepping stone in proposing the first atomic model in the history of science !!! 


Although two centuries old, Dalton's atomic theory remains valid in modern chemical thought . 


Dalton was the one who started using symbols to represent the atoms of different elements ( see above picture ) .
In his 1805 work,  "A New System of Chemical Philosophy," Dalton propounded the following postulates for his atomic theory :

1. The chemical elements are made of atoms.
2. The atoms of an element are identical in mass.
3. Atoms of different elements have different masses.
4. Atoms combine only in small, whole-number ratios like 1:1, 1:2, 2:3, etc.
5. Atoms can not be created or destroyed.                                                                                                                                                         

The last postulate may seem simple , but the whole basic draft of chemical engineering calculations such as mass transfer and material balances depends on that lucid line put up so lucratively !!!

Not a person to be kept in one single field , Dalton achieved ground-breaking success in his research of       " Colour Blindness  " , which is now referred to as " DALTONISM " in his humble honour !!!

In honour of Dalton's work, many chemists and biochemists use the (as yet unofficial) unit DALTON (abbreviated Da)  to denote one atomic mass unit, or 1/12 the weight of a neutral atom of carbon-12 .

A lunar crater has been named after Dalton !!!

COME SALUTE THE MAN , CAUSE SELDOM DO WE COME ACROSS SUCH GENIUSES !!!