Walter Kaufmann (physicist)

Walter Kaufmann
BornJune 5, 1871
DiedJanuary 1, 1947(1947-01-01) (aged 75)
Alma materLudwig Maximilian University of Munich (doctorate)
Known forKaufmann experiment
Scientific career
FieldsExperimental physics
InstitutionsUniversity of Bonn
University of Freiburg
Thesis Über die Bewegung geschlagener Saiten  (1894)

Walter Kaufmann (June 5, 1871 – January 1, 1947) was a German physicist. He is best known for his experiment that led to the first experimental evidence of the velocity dependence of mass, which was an important contribution to the development of modern physics, including special relativity.