John Thompson [aut],
  Connie Brett [aut, cre],
  Isaac Neuhaus [aut],
  Ryan Thompson [aut]

Richard Barnes [aut],
  Kevin Sahr [aut, cph],
  Gerald Evenden [cph],
  Angus Johnson [cph],
  Frank Warmerdam [cph],
  Even Rouault [cph],
  Lian Song [ctb],
  Sebastian Krantz [ctb, cre]

Luigi Augugliaro [aut, cre],
  Angelo Mineo [aut],
  Ernst Wit [aut],
  Hassan Pazira [aut],
  Michael Wichura [ctb, cph],
  John Burkardt [ctb, cph]

Gordon Smyth, Peter K Dunn <pdunn2@usc.edu.au>, Robert W. Corty

Antonio Jose Saez-Castillo [aut],
  Antonio Conde-Sanchez [aut],
  Francisco Martinez [aut, cre]

Simon Schwab <schw4b@gmail.com>, Ruth Harbord <r.harbord@warwick.ac.uk>,
    Lilia Costa <liliacosta@ufba.br>, Thomas Nichols <t.e.nichols@warwick.ac.uk>

Taylor B. Arnold [aut, cre],
  John W. Emerson [aut],
  R Core Team and contributors worldwide [aut]

Deyu Ming [aut, cre, cph],
  Daniel Williamson [aut]

Berent Ånund Strømnes Lunde [aut, cre, cph],
  Robin Hogan [ctb] (Author of included Adept library),
  The University of Reading [cph] (Copyright holder of included Adept
    library)

Florian Hartig [aut, cre] (<https://orcid.org/0000-0002-6255-9059>),
  Lukas Lohse [ctb],
  Melina de Souza leite [ctb]

Samarendra Das <samarendra4849@gmail.com> and Baidya Nath Mandal <mandal.stat@gmail.com>

Jamal Abdul Nasir [aut],
  Andleeb Rani [aut],
  Muhammad Imran [aut, cre]

Kevin Allan Sales Rodrigues [aut, cre]
    (<https://orcid.org/0000-0003-4925-5883>),
  Silvia Nagib Elian [ctb, ths]

Gerta Rücker [aut] (<https://orcid.org/0000-0002-2192-2560>),
  Susanne Steinhauser [aut],
  Srinath Kolampally [aut],
  Guido Schwarzer [aut, cre] (<https://orcid.org/0000-0001-6214-9087>)

Richard Iannone [aut, cre] (<https://orcid.org/0000-0003-3925-190X>),
  Olivier Roy [aut]

Muhammad Yaseen [aut, cre, cph]
    (<https://orcid.org/0000-0002-5923-1714>),
  Kent Eskridge [ctb, aut],
  Pedro Barbosa [ctb, aut],
  Yuhang Guo [ctb, aut]

Danny Smith [aut, cre, cph],
  The Social Research Centre [cph]

Danny Smith [aut, cre],
  Google Inc. [ctb, cph] (libphonenumber),
  Vonage Holdings Corp. [ctb, cph] (libphonenumber),
  Ian Galpin [ctb, cph] (libphonenumber),
  Ben Gertzfield [ctb, cph] (libphonenumber)