Walther Kossel

Walther Kossel
Walther Kossel
	Kossel in 1928
Born	Walther Ludwig Julius Kossel; 4 January 1888; Berlin, German Empire
Died	22 May 1956 (aged 68); Tübingen, Baden-Württemberg, West Germany
Alma mater	University of Heidelberg (Dr. phil.)
Known for	Sommerfeld–Kossel displacement law (1919); Kossel–Stranski model (1927);
Father	Albrecht Kossel
Awards	Max Planck Medal (1944)
	Scientific career
Fields	Atomic physics
Institutions	University of Kiel (1921–32); Technische Hochschule Danzig (1932–45); University of Tübingen (1945–53);
Thesis	Über die sekundäre Kathodenstrahlung in Gasen in der Nähe des Optimums der Primärgeschwindigkeit (1911)
Doctoral advisor	Philipp Lenard
Doctoral students	Christian Gerthsen (1929); Max Steenbeck (1929);

Walther Ludwig Julius Kossel (German: [ˈvaltɐ ˈkɔsl̩]; 4 January 1888 – 22 May 1956) was a German theoretical physicist known for his theory of the chemical bond (ionic bond/octet rule), the Sommerfeld–Kossel displacement law of atomic spectra, and the Kossel–Stranski model for crystal growth.