The law
had been anticipated by
Priestley and also by
Cavendish 
earlier,
though 
Cavendish
never published his
results Coulomb also
found 
the 
inverse
square law of force
between unlike and like
magnetic poles CHARLES AUGUSTIN DE COULOMB  (1736 –1806)
Rationalised 2023-24
8
Physics
9 × 109 N One coulomb is evidently too big a unit to
be used