In 1920, he went to the Ludwig Maximilian University of Munich (LMU) to study under Arnold Sommerfeld. Wentzel was awarded his doctorate in 1921 and completed his Habilitation in 1922.
In 1920, Wentzel attended the Ludwig Maximilian University of Munich (LMU) to study with Arnold Sommerfeld. He received his doctorate in 1921 and achieved his Habilitation in 1922.