# AUTHORS

s2rst is a Rust port of Google's S2 Geometry library. This file credits the
authors and contributors of this project and of the upstream implementations
from which it was ported. Upstream attributions are retained per the Apache
License, Version 2.0, section 4(c). See also NOTICE and LICENSE.

Note on copyright: for the Google-developed libraries, Google Inc. (now Google
LLC) holds the copyright. The individuals listed below are the named code
authors/contributors — many of them Google employees whose work is owned by
Google under its Contributor License Agreement.


## s2rst (this project)

  Torgeir Børresen <tb@starkad.no>


## Upstream — C++: google/s2geometry  (Apache-2.0, Copyright Google Inc.)

Copyright holders (from the upstream AUTHORS file):
  Aurora Innovation
  Dan Larkin-York <dan@arangodb.com>
  Google Inc.
  Koordinates Limited
  Mike Playle <mike@mythik.co.uk>
  Tiago Brito <tiago.brito@90poe.io>

Contributors (from the upstream CONTRIBUTORS file):
  Dan Larkin-York <dan@arangodb.com>
  David Eustis <deustis@aurora.tech>
  Eric Veach <ericv@google.com>
  Jesse Rosenstock <jmr@google.com>
  Julien Basch <julienbasch@google.com>
  Mike Playle <mike@mythik.co.uk>
  Phil Elson <pelson.pub@gmail.com>
  Robert Coup <robert.coup@koordinates.com>
  Tiago Brito <tiago.brito@90poe.io>
  Zachary Burnett <zachary.r.burnett@gmail.com>

Authors named in C++ source-file headers:
  Eric Veach <ericv@google.com>
  Jyrki Alakuijala <jyrki@google.com>
  Sean McAllister <smcallis@google.com>


## Upstream — Go: golang/geo  (Apache-2.0, Copyright Google Inc. / Google LLC, 2014–2025)

The Go library ships no AUTHORS or CONTRIBUTORS file and uses no per-file author
tags; individual contributors are recorded in the project's git history, with
contributions governed by Google's Contributor License Agreement. Copyright is
held by Google Inc. (now Google LLC).


## Upstream — Java: google/s2-geometry-library-java  (Apache-2.0, Copyright Google Inc., 2005–2025)

Authors named in Java source `@author` tags:
  Daniel Bentley <dbentley@google.com>
  Daniel Danciu <danieldanciu@google.com>
  Eric Engle <eengle@google.com>
  Eric Veach <ericv@google.com>          — original author (S2 originated in C++ util/geometry)
  Kirill Levin <kirilll@google.com>
  Norris Boyd <norris@google.com>
  Pete Gillin <peteg@google.com>
  Steven Hakusa <shakusa@google.com>
