Professor at Berlin University As a professor at the Friedrich-Wilhelms-Universität in Berlin, Planck joined the local Physical Society. He later wrote about this time: "In those days I was essentially the only theoretical physicist there, whence things were not so easy for me, because I started mentioning entropy, but this was not quite fashionable, since it was regarded as a mathematical spook"., Snipped extract Thanks to his initiative, the various local Physical Societies of Germany merged in 1898 to form the German Physical Society (Deutsche Physikalische Gesellschaft, DPG); from 1905 to 1909 Planck was the president.
Professor at Berlin University As a professor at the Friedrich-Wilhelms-Universität in Berlin Planck joined the local Physical Society He later wrote about this time "In those days I was essentially the only theoretical physicist there whence things were not so easy for me because I started mentioning entropy but this was not quite fashionable since it was regarded as a mathematical spook" Snipped extract Thanks to his initiative the various local Physical Societies of Germany merged in 1898 to form the German Physical Society (Deutsche Physikalische Gesellschaft DPG); from 1905 to 1909 Planck was the president