Walther Kossel
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Walther Ludwig Julius Kossel was a German theoretical physicist known for his theory of the chemical bond, the Sommerfeld–Kossel displacement law of atomic spectra, and the Kossel–Stranski model for c
Kossel in 1928
Walther Kossel (midst), May 1928 at Munich
Philipp Lenard
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Philipp Eduard Anton von Lenard was a Hungarian–German experimental physicist who received the Nobel Prize in Physics in 1905 for his work on cathode rays. This work led to his experimental realizatio
Walther Kossel
…Kossel was born on 4 January 1888 in Berlin, Germany, the son of biochemist and Nobel laureate Albrecht Kossel. In 1910, he became an assistant to Philipp Lenard at Heidelberg University. The following year, he received his Ph.D., and remained at Heidelberg University until 1913. In 1913, the year in which Niels…
Lenard in 1905