Hartmut Kallmann

Paul Hartmut Kallmann ( born February 5, 1896 in Berlin, † June 11, 1978 in Munich) was a German physicist.

Life

Kallmann 1916, son of the lawyer Felix put Kallmann, from his high school and began studying chemistry at the Technische Hochschule Berlin -Charlottenburg, and then the physics at the Friedrich- Wilhelms-Universität. In 1917, he volunteered for military service, but was discharged due to illness. In 1920 he earned his doctorate under Max Planck.

He taught and conducted research from 1920 to 1933 and from 1945 to 1948 at the Kaiser Wilhelm Institute for Physical Chemistry and Electrochemistry ( the Institute of Fritz Haber ) and the University of Berlin, survived with the help of his wife ( Erika, born Müller) and Carl Bosch ( IG Farben ) the time of Hitler in Berlin.

In 1948 he emigrated to the USA and taught since 1950 at the University of New York. He was the owner of approximately 70 patents. Kallmann discovered the scintillation method for counting alpha particles.

Main work

• Introduction into Nuclear Physics, 1938