William Stephen Finsen

William Stephen Finsen
Born(1905-07-28)28 July 1905
Johannesburg, Transvaal Colony
Died16 May 1979(1979-05-16) (aged 73)
Johannesburg, South Africa
Alma materUniversity of Cape Town[1]
Known forFinsen eyepiece interferometer
SpouseGertrude Ada Camerer (m.1928)
Scientific career
FieldsAstronomy
InstitutionsUnion Observatory, South Africa

William Stephen Finsen FRAS[2] (28 July 1905 – 16 May 1979) was a South African astronomer. He discovered a number of double stars and took many photographs of Mars. He developed the Finsen eyepiece interferometer to measure very close double stars. He was the final director of Union Observatory in South Africa from 1957 to 1965 (it was renamed Republic Observatory in 1961).[3]

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  2. ^ Cite error: The named reference FRAS was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Springer was invoked but never defined (see the help page).