c(person("Martin", "Maechler", role=c("aut","cre"),
                    email="maechler@stat.math.ethz.ch", comment = c(ORCID = "0000-0002-8685-9910"))
  , person("Christophe","Dutang", role = "aut", comment = c(ORCID = "0000-0001-6732-1501"))
  , person("Vincent",   "Goulet", role = "aut", comment = c(ORCID = "0000-0002-9315-5719"))
  , person("Douglas",   "Bates",      role = "ctb", comment = "cosmetic clean up, in svn r42")
  , person("David",     "Firth",      role = "ctb", comment = "expm(method= \"PadeO\" and \"TaylorO\")")
  , person("Marina",    "Shapira",    role = "ctb", comment = "expm(method= \"PadeO\" and \"TaylorO\")")
  , person("Michael",   "Stadelmann", role = "ctb", comment = "\"Higham08*\" methods, see ?expm.Higham08...")
  	     )
Computation of the matrix exponential, logarithm, sqrt,
  and related quantities, using traditional and modern methods.
Martin Maechler [aut, cre] (<https://orcid.org/0000-0002-8685-9910>),
  Christophe Dutang [aut] (<https://orcid.org/0000-0001-6732-1501>),
  Vincent Goulet [aut] (<https://orcid.org/0000-0002-9315-5719>),
  Douglas Bates [ctb] (cosmetic clean up, in svn r42),
  David Firth [ctb] (expm(method= "PadeO" and "TaylorO")),
  Marina Shapira [ctb] (expm(method= "PadeO" and "TaylorO")),
  Michael Stadelmann [ctb] ("Higham08*" methods, see ?expm.Higham08...)