ASTRONOMER

Ernest Leonard Johnson

1891 - 1977

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Ernest Leonard Johnson (1891–1977) was a South African astronomer and a former staff member of the Union Observatory in Johannesburg, South Africa. He is known for the discovery of 18 asteroids between 1946–1951, as well as several comets. On 25 August 1949, he discovered 48P/Johnson, a periodic comet expected to pass no closer than 1.2 to 1.3 AU from our planet in 2025. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ernest Leonard Johnson has received more than 13,885 page views. His biography is available in 18 different languages on Wikipedia (up from 17 in 2019). Ernest Leonard Johnson is the 492nd most popular astronomer (down from 473rd in 2019), the 138th most popular biography from South Africa (down from 120th in 2019) and the most popular South African Astronomer.

Memorability Metrics

  • 14k

    Page Views (PV)

  • 53.30

    Historical Popularity Index (HPI)

  • 18

    Languages Editions (L)

  • 9.45

    Effective Languages (L*)

  • 1.39

    Coefficient of Variation (CV)

Among ASTRONOMERS

Among astronomers, Ernest Leonard Johnson ranks 492 out of 644. Before him are Lipót Schulhof, Robert Julius Trumpler, Fernand Rigaux, Andrew Claude de la Cherois Crommelin, Patrick Moore, and Carlos Torres. After him are William Wilson Morgan, Yuji Hyakutake, Robert Emden, Frank Shu, Takao Kobayashi, and David C. Jewitt.

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Contemporaries

Among people born in 1891, Ernest Leonard Johnson ranks 242. Before him are Miriam Cooper, Erik Almlöf, V. Volodarsky, René Barbier, Eva Kotchever, and Francis Pegahmagabow. After him are Boris Lavrenyov, Hendrik Adamson, Birbal Sahni, Oliverio Girondo, Mamie Smith, and Erik Lindahl. Among people deceased in 1977, Ernest Leonard Johnson ranks 214. Before him are Prince Charles of Luxembourg, Jack Beresford, Rudolf Cvetko, Jean Delarge, Harald Strøm, and Sebastian Cabot. After him are Jorge Pardon, Américo Tesoriere, Philibert Smellinckx, Edgar Basel, José Naya, and Terence Rattigan.

Others Born in 1891

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Others Deceased in 1977

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In South Africa

Among people born in South Africa, Ernest Leonard Johnson ranks 138 out of 454. Before him are Andrew Murray (1828), Frew McMillan (1942), Stanley Mandelstam (1928), Janet Suzman (1939), Marjorie Clark (1909), and John Kani (1943). After him are Solomon Linda (1909), Johan Kriek (1958), Ruth First (1925), Glynis Barber (1955), Neill Blomkamp (1979), and Wilfrid Napier (1941).

Others born in South Africa

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Among ASTRONOMERS In South Africa

Among astronomers born in South Africa, Ernest Leonard Johnson ranks 1. 

South African born Astronomers

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