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Bernard J. S. Cahill

Bernard J. S. Cahill

Inventor of the butterfly projection map.

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Wikipedia views per dayLast 30 days 295

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Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 650 clicks on its links

  1. Cahill–Keyes projection

    Polyhedral compromise map projection.

    46%

  2. Waterman butterfly projection

    Polyhedral compromise map projection.

    21%

  3. Dymaxion map

    Polyhedral compromise map projection.

    15%

  4. Octant projection

    Polyhedral compromise map projection.

    12%

  5. San Francisco Columbarium & Funeral Home

    Cemetery in San Francisco, California, USA.

    3.1%

  6. World map

    Map of most or all of the surface of the Earth.

    1.5%

  7. Polyhedral map projection

    Type of map projection.

    1.5%

Readers come from

Share of the 1,604 readers arriving from another article

  1. Map projection

    Systematic representation of the surface of a sphere or ellipsoid onto a plane.

    23%

  2. Waterman butterfly projection

    Polyhedral compromise map projection.

    19%

  3. World map

    Map of most or all of the surface of the Earth.

    6.9%

  4. Cahill–Keyes projection

    Polyhedral compromise map projection.

    6.4%

  5. Polyhedral map projection

    Type of map projection.

    2.8%

  6. Interruption (map projection)

    Places where the globe has been split in a map projection.

    2.4%