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Fritz Zwicky
Astronomer

Fritz Zwicky

Famoose for

Identifying evidence for dark matter in galaxy clusters.

Coma Cluster · Supernovae

Born
14 February 1898
Birthplace
Varna
Died
8 February 1974

More people

Marie CurieDiscovering polonium and radium.Albert EinsteinDeveloping the theory of relativity.Charles DarwinExplaining evolution through natural selection.

Fritz Zwicky

Fritz Zwicky was a Swiss astronomer whose work at Caltech included galaxy clusters, supernovae and the concept of neutron stars.

Early life

Education

Studied mathematics and experimental physics in Zürich, completing his doctorate in 1922.

Career

  1. 1925

    Caltech

    Moved to California on a Rockefeller fellowship.

  2. 1942

    Professorship

    Became professor of astronomy.

Contributions

Coma Cluster

Argued that unseen matter was needed to explain galaxy motions.

Supernovae

Worked with Walter Baade on supernovae and neutron stars.

Beyond research

Origins

Born in Bulgaria, he was sent to live with grandparents in Switzerland as a child.

Sources & photo creditBiography and career ↗Biographical references ↗

Original photograph. Cropped and displayed in monochrome.

Photo: Comet Photo AG (Zürich). CC BY-SA 4.0 · Original image. Cropped and displayed in monochrome.