"Tom Potter" <email@example.com> wrote in message news:xbctt.24$_E4.firstname.lastname@example.org... > In 1896 Wilhelm Wien determined a > distribution law of blackbody radiation > which Max Planck, a colleague of Wien's, > forked into Planck's Constant and the quantum of action > in 1900. > > This led to the development of quantum theory. > > In 1900 Wien proposed that > m=(4/3)E/c^2 was the relationship between > electromagnetic mass and electromagnetic energy, > which Einstein forked into m=(1)E/c^2 > in 1905. > > This led to the development of Relativity. > > It is interesting to see that Wien > was the fountainhead for both the > continuous and the quantum > approaches to physics.
There was another german -- fraunhoff or somesuch -- that also formulated E = mc^2 from blackbody considerations. Don't know if he preceded Wien or not. Buncha smart guys. Now we have string theorists. <sigh> -- EA