• Hadley Wickham. Author.

  • Jim Hester. Author, maintainer.

  • Romain Francois. Author.

  • R Core Team. Contributor.
    Date time code adapted from R

  • . Copyright holder, funder.

  • Jukka Jylänki. Contributor, copyright holder.
    grisu3 implementation

  • Mikkel Jørgensen. Contributor, copyright holder.
    grisu3 implementation