Robert Ochsenfeld
Encyclopedia
Robert Ochsenfeld was a German physicist
Physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

 born on May 18, 1901 in Hilchenbach
Hilchenbach
Hilchenbach is a town in the Siegen-Wittgenstein Kreis of North Rhine-Westphalia, Germany.-Location: The map shows Hilchenbach's location in Siegen-Wittgenstein district. It is about 15 km northeast of Siegen...

 (Helberhausen quarter). In 1933 he discovered with Walter Meissner the Meißner-Ochsenfeld effect
Meissner effect
The Meissner effect is the expulsion of a magnetic field from a superconductor during its transition to the superconducting state. The German physicists Walther Meissner and Robert Ochsenfeld discovered the phenomenon in 1933 by measuring the magnetic field distribution outside superconducting tin...

.

He died on December 5, 1993 in Hilchenbach
Hilchenbach
Hilchenbach is a town in the Siegen-Wittgenstein Kreis of North Rhine-Westphalia, Germany.-Location: The map shows Hilchenbach's location in Siegen-Wittgenstein district. It is about 15 km northeast of Siegen...

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