Doug McIlroy.  Packaged for R by Ray Brownrigg and Thomas P
        Minka, transition to Plan 9 codebase by Roger Bivand.

Original S code by Richard A. Becker and Allan R. Wilks.
	R version by Ray Brownrigg.
        Enhancements by Thomas P Minka and Alex Deckmyn.

Michael Dorman [aut, cre],
  Tom Buckley [ctb],
  Alex Dannenberg [ctb],
  Mihir Bhaskar [ctb],
  Juan P. Fonseca-Zamora [ctb],
  Rodrigo Vega [ctb]

Mark Padgham [aut, cre],
  Michael D. Sumner [aut],
  Kelly Hondula [rev] (Kelly reviewed the package for rOpenSci, see
    https://github.com/ropensci/software-review/issues/330),
  Nicholas Potter [rev] (Nichola reviewed the package for rOpenSci, see
    https://github.com/ropensci/software-review/issues/330),
  Stanislaw Adaszewski [cph] (author of include concaveman-cpp code)

Timothée Giraud [cre, aut] (<https://orcid.org/0000-0002-1932-3323>),
  Hugues Pecout [ctb] (<https://orcid.org/0000-0002-0246-0954>, Logo),
  Ronan Ysebaert [ctb] (<https://orcid.org/0000-0002-7344-5911>, Cheat
    sheet),
  Ian Fellows [cph] (No overlap algorithm for labels, from wordcloud
    package),
  Jim Lemon [cph] (Arc drawing algorithm for annotations, from plotrix
    package)

Diego Hernangómez [aut, cre, cph]
    (<https://orcid.org/0000-0001-8457-4658>, rOpenSpain)

Kristin Persson [aut, cre, cph],
  Mats Soderstrom [ctb, cph],
  John Mutua [ctb]

Timothée Giraud [cre, aut] (<https://orcid.org/0000-0002-1932-3323>),
  Diego Hernangómez [ctb] (<https://orcid.org/0000-0001-8457-4658>),
  Robert J. Hijmans [ctb] (<https://orcid.org/0000-0001-5872-2872>),
  Hugh A. Graham [ctb]

Denis White, Robert B. Gramacy <rbg@vt.edu>

Tim Appelhans [cre, aut],
  Florian Detsch [aut],
  Christoph Reudenbach [aut],
  Stefan Woellauer [aut],
  Spaska Forteva [ctb],
  Thomas Nauss [ctb],
  Edzer Pebesma [ctb],
  Kenton Russell [ctb],
  Michael Sumner [ctb],
  Jochen Darley [ctb],
  Pierre Roudier [ctb],
  Patrick Schratz [ctb],
  Environmental Informatics Marburg [ctb],
  Lorenzo Busetto [ctb]

Erik Sverdrup [aut, cre],
  Han Wu [aut],
  Susan Athey [aut],
  Stefan Wager [aut]