Toby Dylan Hocking [aut, cre],
  Jadon Fowler [aut] (Contributed exact line search C++ code)

Dai Feng [aut, cre], Damjan Manevski [auc], Maja Pohar Perme [auc]

Greg Guerin [aut, cre],
  Tom Saleeba [aut],
  Samantha Munroe [aut],
  Bernardo Blanco-Martin [aut],
  Irene Martín-Forés [aut],
  Walid Al Naim [aut],
  Andrew Tokmakoff [aut]

Rohan Alexander [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6759-7276>),
  Paul A. Hodgetts [aut]

Julio Trecenti [cre],
  Daniel Falbel [aut],
  José Jesus [ctb],
  Dean Attali [ctb],
  C Lente [ctb]

Hugo Gruson [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-4094-1476>),
  Chris Hartgerink [rev] (ORCID: <https://orcid.org/0000-0003-1050-6809>),
  data.org [fnd] (until version 0.2.0 included)

Dr. Pramit Pandit [aut, cre],
  Ms. Moumita Paul [aut],
  Dr. Bikramjeet Ghose [aut]

Fabio Pinto [aut],
  Vitor Cerqueira [cre],
  Carlos Soares [ctb],
  Joao Mendes-Moreira [ctb]

Barret Schloerke [aut] (ORCID: <https://orcid.org/0000-0001-9986-114X>),
  Ryan Hafen [ths, cre] (ORCID: <https://orcid.org/0000-0002-5516-8367>)

Mark Webster [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-3351-0686>)

Paul Govan [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-1821-8492>)

ShengLi Tzeng [aut, cre],
  Hsin-Cheng Huang [aut],
  Wen-Ting Wang [ctb],
  Douglas Nychka [ctb]

Isabella Grassucci [aut] (ORCID:
    <https://orcid.org/0000-0002-2484-8570>),
  Eleonora Sperandio [aut] (ORCID:
    <https://orcid.org/0000-0002-8572-6788>),
  Fabio Ticconi [cre] (ORCID: <https://orcid.org/0000-0001-8905-6657>),
  Alice Massacci [aut] (ORCID: <https://orcid.org/0000-0001-7780-809X>),
  Lorenzo D'Ambrosio [aut] (ORCID:
    <https://orcid.org/0000-0002-9656-7436>),
  Matteo Pallocca [aut] (ORCID: <https://orcid.org/0000-0002-7756-3579>)

James Hollway [cre, aut, ctb] (IHEID, ORCID:
    <https://orcid.org/0000-0002-8361-9647>),
  Henrique Sposito [ctb] (ORCID: <https://orcid.org/0000-0003-3420-6085>)

Vik Gopal [aut],
  Agrawal Naman [aut, cre],
  Samuel Seah [aut],
  Viknesh Jeya Kumar [aut],
  Gabriel Ang [aut],
  Ruofan Liu [ctb],
  National University of Singapore [cph]